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#proof-of-work

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

8 records
Tagged “proof-of-work”Ranked by health index
npm
88Excellenthealth index
prosopo/captcha
Open-source, frictionless CAPTCHA and bot defense. A privacy-focused alternative to reCAPTCHA and hCaptcha.
TypeScript★ 297↓ 32.5K/moJul 30, 2026
Apache-2.0Jul 30, 2026 · metrics 2.10.0
npm · Go
86Excellenthealth index
PrivateCaptcha/PrivateCaptcha
Independent, privacy-first, self-hostable PoW CAPTCHA service made in EU
Go · HTML★ 182↓ 2,782/moJul 15, 2026
Custom licenseJul 15, 2026 · metrics 2.10.0
npm
78Goodhealth index
altcha-org/altcha
GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.
TypeScript · Svelte★ 2,586↓ 300.6K/moJul 15, 2026
MITJul 15, 2026 · metrics 2.10.0
npm · Go · PyPI
65Goodhealth index
WebDecoy/FCaptcha
Open-source, invisible CAPTCHA that detects AI agents, bots, and headless browsers via 40+ behavioral signals, device & TLS fingerprinting, and SHA-256 proof of work. Self-hosted and privacy-first.
JavaScript · Go · Python★ 171↓ 2,190/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
npm
63Moderatehealth index
MikeyPetrillo/Agent402
500+ pay-per-call web tools + skill packs for AI agents — every one tested, priced, and settled on-chain. Paid in USDC over x402 on 8 chains, or free via proof-of-work on the pure-CPU tools. Self-hostable, MCP-native, deterministic. Plus the open x402 index (Find / Route / Leaderboard).
JavaScript★ 5↓ 7,099/moJul 16, 2026
MITJul 16, 2026 · metrics 2.10.0
Go · npm · PyPI
51Moderatehealth index
krutftw/bitcoin09
Bitcoin 09 (09C): the coin you can mine like it's 2009. CPU proof of work, 21M cap, no premine.
Python · Go · JavaScript★ 2Jul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
Packagist · npm
45Weakhealth index
bbysaeth/typo3-altcha
TYPO3 form element for spam protection by utilizing the proof-of-work mechanism Altcha.
JavaScript · PHP★ 11↓ 2,873/moJul 30, 2026
GPL-2.0Jul 30, 2026 · metrics 2.10.0
npm
45Weakhealth index
valve-tech/msgboard
MsgBoard — proof-of-work message board: SDK, core, Hardhat plugin, Foundry library, faucet, UI
TypeScript · Solidity★ 0↓ 468/moAug 4, 2026
No licenseAug 4, 2026 · metrics 2.10.0