Dev tools · alternatives · 2026

24 alternatives to FaaS Wars global serverless challenge
Learn serverless compute and win upto USD 1400
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. FaaS Wars global serverless challenge launched in 2021; newer entries below may have overtaken it.
- 1BA
2017 · doc.bytearena.com · its alternatives →
- 2

Free multiplayer dogfights in your browser, the official reboot of the 2017 hit. Five aircraft, five game modes, no download.
2017 · airma.sh · its alternatives →
- 3
Codewars▲198A coding practice website for all programming levels – Join a community of over 3 million developers and improve your coding skills in over 55 programming languages!
2014 · codewars.com · its alternatives →
- 4

Bot Land is no longer playable as of October 22nd, 2020.
2019 · bot.land · its alternatives →
- 5JB
2014 · javascriptbattle.com · its alternatives →
- 6BI
2021 · botwars.io · its alternatives →
- 7
ClawKing▲93On-chain AI battle royale where 8 lobsters fight
Mar 2026 · clawking.cc · its alternatives →
- 8
Agent Arena▲348Creator here. I built Agent Arena to answer a question that kept bugging me: when AI agents browse the web autonomously, how easily can they be manipulated by hidden instructions? How it works: 1. Send your AI agent to ref.jock.pl/modern-web (looks like a harmless web dev cheat sheet) 2. Ask it to summarize the page 3. Paste its response into the scorecard at wiz.jock.pl/experiments/agent-arena/ The page is loaded with 10 hidden prompt injection attacks -- HTML comments, white-on-white text, zero-width Unicode, data attributes, etc. Most agents fall for at least a few.…
Jun 2026 · arena42.ai · its alternatives →
- 9BJ
2014 · kortaggio.github.io · its alternatives →
- 10

robotgame.org is for sale on Spaceship. Secure checkout and quick transfer. See all purchase options. No hidden fees.
2013 · robotgame.org · its alternatives →
- 11

- 12
Cawfree▲80Open source web terminal multiplexer for AI agents
Jul 2026 · caw.rocks · its alternatives →
- 13

- 14

- 15

Main di situs toto togel resmi paling gacor! Nikmati pasaran situs togel & bandar toto macau terpercaya, jaminan WD cepet & hoki tiap hari!
2021 · gocoder.one · its alternatives →
- 16EI
2018 · etherbots.io · its alternatives →
- 17

13,000+ MCP servers, skills & plugins for AI coding agents
Jul 2026 · codexmarketplaces.com · its alternatives →
- 18

I'm Vivek, co-founder/CEO of HackerRank (YC S11); You may know us as a hiring tool for developers/companies. Over the years, we have built up deep expertise in generating programming challenges, and we are now using that to make coding models better. Our first launch is Model Kombat -- an arena where you can directly compare anonymized coding models, side by side, on real problems. * Pick an arena (Java, Python, etc.) * Each battle has 3 rounds: see the problem + two model outputs -> vote on which you’d actually prefer * Leaderboards + problem statements are updated weekly. We…
2025 · astra.hackerrank.com · its alternatives →
- 19OA
2013 · openhacker.co · its alternatives →
- 20
Codewars▲74Improve your skills by training w/ others on code challenges
2014 · codewars.com · its alternatives →
- 21

CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.
2017 · tech.io · its alternatives →
- 22

- 23IR
2019 · indirobotgames.nl · its alternatives →
- 24

A global hackathon for the open AI future
Jun 2026 · decentralizeai.tech · its alternatives →
Also compare
- Byte Arena – Code Your Fighter Bot alternatives
- Airmash – Multiplayer Missile Warfare HTML5 Game alternatives
- Codewars alternatives
- Bot Land, a game where you fight others via code alternatives
- JavaScript Battle – A daily artificial intelligence battle alternatives
- Botwars.io – Battle robots with your favourite programming language alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →