The best CTF platforms in 2026, to host or to practice
The best CTF platform depends on whether you want to host a competition or play one. We compared 30 capture the flag platforms, 17 for hosting and 13 for practice, with public prices, formats, pros, cons, sources and dates. Yes, we're on the list. We explain why, and where others beat us.
All 30 CTF platforms at a glance
Filter by what you need, then jump to the full entry. Prices are public starting prices as of October 2026; check each site for current details.
The best CTF platform depends on whether you want to host or play. To host a CTF, the main options in 2026 include CTFd (open source, self-hosted or hosted), Hack The Box and TryHackMe (premium managed content), the other open-source scoreboards, and per-event platforms such as CTF7, which publishes this page. To practice, start with picoCTF (now CyLab Security Academy), TryHackMe, OverTheWire and Hack The Box, and use CTFtime to find live events.
Key takeaways
- Hosting splits three ways: open-source scoreboards you run yourself (CTFd, rCTF, RootTheBox, GZCTF, playCTF), content-first managed events priced in thousands of USD (Hack The Box, TryHackMe), and managed platforms in between (CTF7, CyberTalents, Cyber Skyline, Hacking-Lab, CTFLAB, Simulations Labs, US Cyber Range, Traboda, Com Olho, HierroCTF).
- Price transparency is rare. CTF7, CTFd, Hack The Box, TryHackMe (a "from" price), CyberTalents, US Cyber Range and Simulations Labs publish hosting prices. Cyber Skyline publishes player fees for NCL, but its hosted competitions are quote-only, like several others.
- Formats beyond jeopardy are rarer still. Attack-defense, King of the Hill and report-based rounds are where platforms differ most. CyberTalents says it hosts jeopardy only, and rCTF accepts A/D and KotH scores only from an external game engine.
- Free is real, with trade-offs. Open-source platforms cost nothing to license but you run the servers. Practice platforms are mostly free; see free CTF platforms.
- For beginners, the best path is picoCTF, then TryHackMe or OverTheWire, then live CTFs from CTFtime.
How we evaluated (and our bias)
Disclosure: CTF7 publishes this list. So we don't rank ourselves: CTF7 is described in its own box at the end of the hosting section, and the other platforms are not numbered. This is desk research from each vendor's public pages, docs and repositories, checked on October 1, 2026, not a hands-on benchmark. We used the same criteria for every platform and list CTF7's cons like everyone else's:
- Pricing: public prices only, quoted as published on October 1, 2026. "Not public" means we didn't guess.
- Formats: jeopardy, attack-defense, King of the Hill, blue-team/SOC and other modes, per the vendor's own documentation.
- Hosting model: self-hosted, managed, or both, and who is on call during your event.
- Scale and fit: published participant limits and the audience each platform is built for.
- Maintenance: for open-source projects, license and recent GitHub activity. Discontinued projects are flagged, not ranked.
We also cross-checked each hosting platform against an outside, academic framework. Laponina and Matoshenko's 2022 paper, "Comparative analysis of CTF platforms for cybersecurity training" (International Journal of Open Information Technologies, vol. 10, no. 4), sets six requirements a CTF platform should meet:
| Requirement (Laponina & Matoshenko, 2022) | What we looked for |
|---|---|
| 1. Ease of installation | Nothing to install (managed), a one-line Docker install, or a multi-service build you maintain |
| 2. Cross-platform | Runs on any OS or in the browser; for self-hosted tools, supported install paths |
| 3. Ease of configuration | Admin UI, branding and enough options for both competitions and training |
| 4. Status monitoring | Live scoreboard, submission logs and visibility into what players are doing |
| 5. Extensibility | How easily you add, change or remove challenges, plus plugins or challenge-as-code |
| 6. Interactivity | Live attacker-versus-defender play, meaning attack-defense or King of the Hill |
The paper reviewed five open-source tools and picked CTFd as the best overall. It found that none of the five supported live attacker-defender interactivity. That still holds for general-purpose scoreboards. Dedicated attack-defense game servers do exist, but you build and run the vulnbox and checker infrastructure yourself (see our CTF scoring guide and the checker SLA glossary entry).
Every vendor claim links to a source at the bottom of the page. Prices change, so check each site for current pricing. Last verified: October 2026.
Best CTF hosting platforms compared
Public starting prices as of October 1, 2026; check each site for current details. Swipe sideways on mobile.
| Platform | Type | Starting price (public) | Formats | Best for |
|---|---|---|---|---|
| CTFd | Open source + SaaS | Free self-host; $50/mo hosted (annual) | Jeopardy; KotH on Enterprise | Self-hosters, plugin customization |
| Hack The Box | Content marketplace | About $2,750 for 1 day, 100 players, 10 challenges, before VAT | Jeopardy-style packs, SOC packs | Corporate teams wanting premium content |
| TryHackMe | Managed events | From $5,000 per one-day event | Jeopardy-style events | Enterprises, TryHackMe customers |
| rCTF | Open source (self-host only) | Free | Jeopardy with per-team instances; KotH and A/D scores pushed by an external engine (v2) | Experienced teams running competitive CTFs |
| RootTheBox | Open source | Free | Jeopardy + game mechanics | Gamified classroom events |
| GZCTF | Open source | Free | Jeopardy, per-team containers | Clubs needing dynamic containers |
| CTFLAB | Managed (France) | Not public | Events, training, recruitment | EU data-residency needs |
| US Cyber Range CloudCTF | Managed scoreboard | $80/mo (100 players) | Jeopardy + courseware | US schools and colleges |
| Simulations Labs | Managed | Free (10/mo); $191/mo (40), yearly | Competitions, challenges, courses | Small recurring cohorts |
| Traboda Arena | Managed (India) | Not public; sponsored for edu | Contest, recruitment, practice, classroom | Very large Indian contests |
| Com Olho | Managed (India) | Not public (demo) | Managed CTF programs | Enterprise and national programs |
| CyberTalents | Managed (MENA) | $69/mo (10 invitations) to $1,199/mo (300) | Jeopardy only (self-stated) | Assessment-style CTFs with candidate reports |
| Cyber Skyline | Managed (US) | NCL $45 per student per season; hosted events by quote | Browser-based scenario challenges | US and Canadian students, sponsor-branded events |
| Hacking-Lab | Managed cyber range (Switzerland) | CTF by quote | Jeopardy; flag and write-up evaluation | European national and team-building CTFs |
| HierroCTF | Managed (India) | Not public | Jeopardy campus events | Full-service Indian college CTFs |
| playCTF + Beast | Open source | Free | Jeopardy with container isolation | Tinkerers who can maintain it |
| CTF7 (our product) | Per-event plans, all hosted on CTF7 | ₹0 (up to 50); ₹9,999 per event (up to 500); Premium custom | Jeopardy and Raw Ops self-serve; hackathons and hiring CTFs set up with our team; A/D, KotH and SOC as managed events on request (quoted) | Colleges, conferences, hiring, multi-format events |
17 CTF platforms to host a competition
Organizing a CTF for a college, company, community or conference? Start here. The 16 third-party platforms below are not ranked; CTF7, which publishes this page, is described separately after them. Competitor details are as of October 2026; check their sites for current details.
CTFd
Best for: organizers who want free self-hosting, full code control or a large plugin ecosystem.
Pricing: free to self-host (Apache-2.0). Hosted: Basic $50, Plus $100, Professional $300 per month billed annually ($60/$120/$360 month-to-month); Enterprise "Contact us" (no listed price); 80% education and 50% non-profit discounts. Formats: jeopardy with extra challenge types on Plus and up; King of the Hill on Enterprise only.
- Mature, ~6.9k GitHub stars
- Themes, plugins, ctfcli
- Generous education discount
- Monthly USD billing, no per-event plan
- Page-view and container caps
- No ticketing or A/D
Hack The Box CTF Marketplace
Best for: corporate teams that want premium, ready-made content and the HTB brand.
Pricing: credit-based; HTB's help center puts a credit at $0.55. At that rate, 10/15/20-challenge packs cost $2,200/$3,300/$4,400, plus $550 per day for up to 100 players (up to $2,750 per day for 500), and Pwnbox is $13.75 per user per day. The smallest one-day, 100-player, 10-challenge event comes to about $2,750 before VAT. Formats: 200+ scenarios and packs incl. OWASP, SOC Analyst and AI prompt injection; Threat Range for SOC/DFIR as a separate add-on.
- Huge, polished library
- Strong brand and reporting
- Browser attack box option
- Expensive per event and per day
- Published tiers stop at 500 players
- No ticketing or hackathons
TryHackMe tailored CTF events
Best for: enterprises, especially existing TryHackMe customers, that want a done-for-you CTF.
Pricing: from $5,000 for a one-day event, priced by length, unlimited participants, walkthroughs included. The self-serve CTF builder (200+ challenges) is for Business or Education license holders. Formats: half-day to multi-day jeopardy-style events; SOC Simulator and KotH exist as separate products.
- Unlimited participants
- Walkthroughs and expert support
- Beginner-friendly content
- High entry price
- Builder locked to business plans
- No ticketing or A/D events
rCTF
Best for: experienced teams running competitive CTFs who want a fast, modern scoreboard and are happy to self-host.
Pricing: free, Apache-2.0, self-hosted only; a one-line installer sets up Docker Compose with PostgreSQL and Redis. redpwn built rCTF in 2020; the original repo was archived in February 2025, and OtterSec now maintains it. rCTF v2 (July 2026) is a TypeScript rewrite. Formats and features: jeopardy with six scoring curves; per-team challenge instances on Docker or Kubernetes; an admin bot for web challenges; a blood bot that posts first solves to Discord or Telegram; CTFtime OAuth login and scoreboard export; static archive export after the event. A signed webhook lets an external King of the Hill or attack-defense engine push scores in, but rCTF doesn't run the A/D game itself.
- Rich v2 feature set, public demo
- Thorough docs and organizer guides
- Static results archive
- Self-host only: you run Docker or K8s
- Team-token model, no individual accounts
- A/D and KotH need an external game server
RootTheBox
Best for: classrooms, trainers and clubs that want a gamified CTF.
Pricing: free, Apache-2.0, Python/Tornado, ~1.1k stars and active as of October 2026. Formats: jeopardy plus in-game botnets, an in-game bank, a "wall of sheep" for cracked passwords and story mode; CTFtime-compatible scoreboard feed.
- Unique game mechanics
- Real-time animated scoreboard
- Dated UI for some tastes
- No managed option
GZCTF
Best for: clubs that need per-team dynamic containers without writing their own orchestration.
Pricing: free, ~1.6k stars, active. Dual-licensed: AGPLv3 core plus restricted components that can't be modified without permission. Formats: jeopardy with dynamic containers and live updates.
- Containers built in
- Active development
- License complexity
- Self-host only
CTFLAB
Best for: European organizers who need data hosted in France.
Pricing: not public; book a demo. Formats: CTF events, training programs and recruitment. CTFLAB advertises 50 to 5,000+ participants, AI challenge generation, behavioral anti-cheat, LMS integration and French-hosted infrastructure.
- EU data residency
- Recruitment focus
- Quote-only pricing
- EU-centric
US Cyber Range CloudCTF
Best for: US high schools, colleges and non-profits that want a cheap scoreboard plus courseware.
Pricing: CloudCTF standalone $80/month (up to 100 players), $130 (250) or $326 (1,500); courseware from $9 per user per month. Formats: jeopardy scoreboard with cloud lab environments.
- Low, published prices
- Education focus
- US-centric
- Basic scoreboard; no A/D or KotH
Simulations Labs
Best for: small, recurring training cohorts.
Pricing: Free (10 participants/month); Basic $191/month (40), Professional $399 (100), Enterprise $959 (300), billed yearly. Formats: unlimited competitions, challenges and courses with a challenge library; custom content available.
- Published pricing
- Challenge library included
- Per-participant monthly caps
- Costly for one large event
Traboda Arena
Best for: very large Indian contests and institutions that qualify for sponsored access.
Pricing: not public; Traboda says it sponsors the platform for educational institutions and non-profits. Formats: Contest mode, plus Recruitment, Practice and Classroom modes (beta). Claims a 1,000+ challenge library and InCTF Junior with over 17,000 players.
- Proven at very large scale
- Challenge library
- Opaque pricing
- Several modes still in beta
Com Olho
Best for: enterprises and national programs that want a bespoke, sales-led CTF program.
Pricing: not public; demo-led. Formats: managed CTF programs with bespoke challenge design, live leaderboards, reporting dashboards, escrow-backed rewards and access to its bug bounty researcher community.
- Talent discovery angle
- Custom challenge design
- No self-serve option published
- No public pricing
CyberTalents Compete
Best for: universities and companies, mainly in the Middle East and Africa, that want an assessment-style CTF with per-participant skill reports.
Pricing: monthly plans capped by invitations: Lite $69 (10 invitations), Basic $239 (40), Professional $499 (100), Enterprise $1,199 (300), with extra invitations at $4 to $7 and a 7-day free trial. By our maths, a 500-person event on Enterprise comes to roughly $2,000 for the month. Formats: jeopardy. CyberTalents' own blog says it "can host only Jeopardy-style CTFs, not attack and defense." It offers a challenge library and private or public events.
- Candidate skill reports
- Self-serve event wizard
- Large regional event history
- Per-invitation monthly pricing
- Jeopardy only
- USD billing
As of October 2026. Check their site for current details.
Cyber Skyline and the National Cyber League
Best for: US and Canadian students (through NCL) and US sponsors that want a branded, browser-based competition.
Pricing: NCL student registration is $45 per season. Competition-as-a-Service for organizations is quote-only through sales. Its Lab Kit for educators runs $1,000 to $2,000 for up to 50 students. Formats: browser-based scenario challenges with built-in tools, natural-language answers as well as flags, individual and team games, and per-player scouting reports. Cyber Skyline runs a public live demo.
- No VM setup; Chromebook-friendly
- Strong reporting for students
- Public demo
- No self-serve organizer flow
- NCL limited to US and Canada
- USD, US-style procurement
As of October 2026. Check their site for current details.
Hacking-Lab
Best for: European organizers of national qualifiers, team-building events and trade-show "CTF playgrounds" who want write-ups graded, not just flags.
Pricing: CTF events are quote-only. Its skill-assessment plans are public: $399 per month for unlimited candidates or $100 per candidate. Formats: a cyber range with several hundred exercises, run online, on-site or hybrid. Submissions can be a flag, a manually graded write-up, or both. Hacking-Lab says it has hosted national and European competitions.
- Write-up evaluation
- Long competition track record
- Quote-only CTF pricing
- No self-serve CTF product
As of October 2026. Check their site for current details.
HierroCTF
Best for: Indian engineering colleges and student chapters that want a full-service campus CTF.
Pricing: not public; every path is "host an event" or "request a demo". Formats: campus events, always-on challenges and live leaderboards across 12 challenge domains. HierroShield (Pune, founded 2025) runs the events itself; its product page names no specific format.
- Full-service campus model
- Track record of campus and national events in India
- No public pricing
- No self-serve organizer signup or public docs
As of October 2026. Check their site for current details.
playCTF and Beast
Best for: developers who want to study or fork a Git-driven, container-based jeopardy stack.
Pricing: free, MIT (the Beast backend is Apache-2.0), self-hosted. Formats: jeopardy only, with dynamic scoring and challenge containers deployed by Beast from a Git repository. Maintenance: the playCTF frontend's last commit to master was in August 2022. Its listed demo site and Beast's docs were offline when we checked on October 1, 2026, though Beast itself was updated in July 2026.
- Challenges as code from Git
- Container isolation
- Frontend largely unmaintained
- Demo and docs offline on Oct 1, 2026
As of October 2026. Check the repository for current status.
CTF7 (listed separately because we publish this page)
We don't rank our own product against the platforms above. Here is what it is and where others beat it, using the same headings as every other entry.
Best for: Indian colleges, tech fests, conferences and hiring drives that want registration, tickets and the scoreboard in one place.
Pricing: Free ₹0 (jeopardy, static flags and attachments, up to 50 participants); Standard ₹9,999 per event (up to 500, custom branding, dynamic flags, anti-cheat, hints, bring-your-own Docker challenge images); Premium custom (unlimited participants, managed container deployment, custom domain with managed SSL).
Formats: jeopardy and Raw Ops (CVSS 4.0-scored bug hunting) are self-serve, and our team sets up hackathons and hiring CTFs with you. Attack-defense, King of the Hill and SOC simulation are managed events: scoped on a call, quoted per event, and run by our team. That is the same kind of sales conversation as CTFd Enterprise or a Hack The Box or TryHackMe event.
- Public per-event INR pricing
- RSVP, tickets and fees built in; certificates on paid plans
- Custom challenge development team
- Not open source
- No public demo or self-serve docs site
- Smaller ecosystem than CTFd
- Attack-defense, KotH and SOC are custom-quoted, not self-serve
Where others beat us: CTFd if you want free self-hosting and plugins, Hack The Box or TryHackMe if you want a large ready-made content library, and the open-source projects above if you want code you control. See CTF7 pricing.
Discontinued: Facebook CTF (FBCTF). Older "best CTF platform" lists still recommend FBCTF. Facebook has archived the project on GitHub (facebookarchive/fbctf), so it gets no updates. Don't start a new event on it. Pick an actively maintained open-source option or a managed platform instead.
Going self-hosted? Our open-source CTF platforms comparison covers licenses, maintenance status and an ops checklist, including attack-defense servers like FAUST ctf-gameserver. Running a university event? See CTF platforms for universities.
8 best platforms to practice and play CTFs
Learning, or training a team between events? These are the platforms we'd point a friend to, plus five more worth knowing.
| Platform | Price | Best for | Format |
|---|---|---|---|
| picoCTF / CyLab Security Academy | Free | Absolute beginners, classrooms | Jeopardy practice + competitions |
| TryHackMe | Free tier; paid Premium plan (see tryhackme.com/pricing) | Guided learning paths | Walkthrough rooms, KotH game |
| Hack The Box | Free tier; paid VIP tiers (check their site for current prices) | Intermediate to advanced | Machines and challenges |
| OverTheWire | Free | Linux and exploitation basics | SSH wargames |
| pwn.college | Free | Systems security, binary exploitation | Belt-based dojos |
| Root-Me | Free; PRO for organizations | Broad challenge variety | Challenges + virtual environments |
| CTFlearn | Free | Beginner problems, community | Jeopardy-style problems |
| CTFtime | Free | Finding live CTFs and teams | Event calendar, ratings, writeups |
picoCTF / CyLab Security Academy
Carnegie Mellon's free platform. On May 8, 2026, picoCTF rebranded as CyLab Security Academy; existing picoCTF logins and progress carry over (per the picoCTF announcement), and it is still free. Pros: free, gentle curve, great for schools. Cons: you can't host a private branded event on it. Looking for a picoCTF alternative? See the other practice platforms in this list, or where beginners can practice.
TryHackMe
Guided, browser-based rooms and paths, with 8M+ users claimed. Premium is a paid subscription, billed monthly or annually, with prices that vary by region; see TryHackMe's pricing page. Pros: strong hand-holding for beginners. Cons: less open-ended than real CTFs.
Hack The Box
Machines and challenges from intermediate to expert. Paid VIP tiers are available for individuals; check Hack The Box for current pricing. Pros: realistic, deep content. Cons: steep for complete beginners.
OverTheWire
Classic free SSH wargames: start with Bandit (Linux basics), then Natas (web), Leviathan, Krypton and Narnia. Pros: free, timeless fundamentals. Cons: text-only, no guidance.
pwn.college
Arizona State University's free belt-based curriculum, open to everyone; educators can run private dojos. Pros: academic depth, lectures. Cons: focused on systems and binary work.
Root-Me
A long-running free platform from France with hundreds of challenges across web, crypto, forensics, networks and more; Root-Me PRO serves companies and schools, including attack-defense events. Pros: breadth. Cons: some content is French-first.
CTFlearn
Free, beginner-friendly jeopardy-style problems, many created by the community. Pros: quick wins, friendly. Cons: community problems vary in quality.
CTFtime
Not a practice platform but essential: the global calendar of CTF events, team ratings and writeups. Pros: find live competitions every weekend. Cons: no India-specific discovery; browse CTF7 events for that.
Five more practice platforms we checked
Hacker101 CTF
HackerOne's free, always-on practice CTF, paired with its free Hacker101 video course. Levels are mostly web, plus some crypto, mobile and reversing, with tiered hints. Earning points can lead to invitations to private bug bounty programs, and teachers can track members with Groups. Pros: free, a direct path toward bug bounty. Cons: needs a HackerOne login; mostly web levels.
CyberDefenders
A blue-team lab catalog of about 259 investigation labs built on real artifacts: disk and memory images, PCAPs and SIEM data. It offers free community labs alongside premium labs, learning tracks and certifications; business pricing is by quote. Pros: realistic defensive practice on real artifacts. Cons: labs, not live event hosting.
CrackTheLab
A gamified practice platform from Craw Security in Delhi. It has free modules, scenario missions, AI and LLM security challenges, and red-team and blue-team tracks. Pricing isn't public. Pros: India-based, with AI security content. Cons: no public pricing; no hosting for your own event.
Google CTF Beginner's Quest
Google's short, free jeopardy-style practice CTF, based on the annual Google CTF. You sign in with a Google account. As of October 2026, the main Google CTF 2026 event shows as postponed. Pros: a real CTF board, free. Cons: a small, fixed challenge set.
FIRST CTF
A permanent, free CTF instance from FIRST, the global incident response community. It replays challenges from past FIRST conference CTFs, with incident-response-inspired puzzles in individual mode. It runs on CTFd Cloud. Pros: defense and IR focus, free. Cons: no teams on the permanent instance; a small catalog.
Also on CTF7: War Zone practice operations at ₹499/month, and live events on the events page. New to all this? Start with CTF for beginners.
Free CTF platforms: to run an event or to practice
"Free" means two different things. Free software still needs servers and someone on call. Free practice platforms cost nothing but you can't run your own event on them. Here's where each one fits, as of October 2026.
Free ways to run your own CTF
- CTF7 Free (₹0): a jeopardy CTF for up to 50 participants, with static flags, attachments and external links. Good for clubs, communities and practice rounds. Standard (₹9,999 per event, up to 500) adds dynamic flags, anti-cheat and hints. Compare plans.
- CTFd: free, open-source (Apache-2.0) jeopardy platform. You run the server, updates and backups.
- rCTF: free (Apache-2.0), installed with one command via Docker Compose. Self-host only.
- GZCTF: free, with per-team containers built in. AGPLv3 core plus restricted components.
- RootTheBox: free (Apache-2.0), with gamified mechanics for classrooms.
- Simulations Labs Free: a managed free tier for up to 10 participants a month.
Self-hosting is free to license, not free to run: budget for a server, Docker or Kubernetes for container challenges, and volunteer hours on event day. The CTF cost calculator puts numbers on it.
Free places to practice
- picoCTF / CyLab Security Academy: free, beginner-first, from Carnegie Mellon.
- OverTheWire: free SSH wargames, starting with Bandit.
- pwn.college: free systems and binary security curriculum.
- Hacker101 CTF: free web-focused levels from HackerOne.
- CTFlearn: free community-made beginner problems.
- Root-Me: hundreds of free challenges across categories.
- Google CTF Beginner's Quest: a free, short jeopardy board.
- FIRST CTF: free, incident-response-inspired challenges.
TryHackMe and Hack The Box also have free tiers, and CyberDefenders has free community labs. For where a beginner should start, see CTF for beginners.
How to choose the right CTF platform
Host or play?
Hosting your own event means Part A. Learning or training means Part B. Many teams need both: practice platforms for training, a hosting platform for the competition.
Who will be on call?
If you have DevOps volunteers and want full control, self-host CTFd, RootTheBox, rCTF or GZCTF. If nobody wants to babysit servers during a 24-hour event, go managed. Our how to host a CTF guide covers both paths.
Do you have challenges?
No challenges and a large budget: Hack The Box or TryHackMe. Your own challenges: CTF7, CTFd or open source. Need original challenges built: CTF7's challenge development or another content provider.
Which format?
Jeopardy works everywhere. For attack-defense, King of the Hill, SOC simulation or Raw Ops, your options narrow fast. Compare formats in CTF formats explained.
Budget and currency
Compare total event cost, not list price: platform, content, infrastructure, people-time and ticketing. Try the CTF cost calculator and check CTF7 pricing.
Next steps
Sources
All facts verified on October 1, 2026. Prices and features change, so check each vendor's site for current pricing. Platforms are named for identification only; CTF7 is not affiliated with any of them.
- CTFd: Pricing and 2025 pricing update
- CTFd docs: King of the Hill
- Hack The Box: CTF Marketplace pricing
- Hack The Box: CTF platform
- TryHackMe: Tailored CTF events
- TryHackMe: CTF builder
- TryHackMe blog: Subscriptions compared 2026
- TryHackMe: Premium plans (individual pricing, INR shown in India)
- OtterSec blog: rCTF v2, rCTF docs, GitHub: otter-sec/rctf and redpwn/rctf (archived)
- GitHub: RootTheBox
- GitHub: GZCTF
- CTFLAB
- US Cyber Range: Pricing
- Simulations Labs: Pricing
- Traboda Arena
- Com Olho: CTF platform India
- CyberTalents: Pricing, Host competitions and "Top 6 Platforms to Run your CTF On"
- Cyber Skyline: National Cyber League and Lab Kit
- Hacking-Lab: CTF platform and skill assessments pricing
- HierroShield: HierroCTF
- GitHub: sdslabs/playCTF and sdslabs/beast
- GitHub: facebookarchive/fbctf (archived)
- picoCTF / CyLab Security Academy
- picoCTF: rebrand announcement (May 8, 2026) and CyLab Security Academy: About
- OverTheWire: Wargames
- pwn.college
- Root-Me PRO
- CTFlearn
- CTFtime
- Hacker101 CTF
- CyberDefenders: Blue team labs
- CrackTheLab
- Google CTF: Beginner's Quest and CTFtime: Google CTF 2026
- FIRST CTF
- Laponina, O. R. and Matoshenko, V. A. (2022). "Comparative analysis of CTF platforms for cybersecurity training." International Journal of Open Information Technologies, 10(4)
- CTF7: Pricing
Try CTF7 on a free event
Host a jeopardy event for up to 50 players for free, or talk to us if your event needs more participants, custom challenges or a managed format.
Read how we protect accounts and event data on the security page, or contact us with questions.
