
Free Online Flashcards for Developers — Spaced Repetition | Gnoseed
Free flashcard app using spaced repetition to study Kubernetes, AI, Linux, and DevOps concepts.
Agoreddah · HN
I built Gnoseed – free flahscards to learn K8s, DevOps, AI and more
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Free flashcard app using spaced repetition to study Kubernetes, AI, Linux, and DevOps concepts.
Agoreddah · HN
I built Gnoseed – free flahscards to learn K8s, DevOps, AI and more

Hiring marketplace where developers submit verified GitHub work, get evaluated blind, and build portfolios.
@BowenBuildsOne · X
Builders Echo - A proof-of-work hiring marketplace where companies post real engineering challenges and candidates submit GitHub-backed work, evaluated with blind review. Candidates will overtime build a strong portfolio of verified skills and experiences

Permanent webhook endpoints and instant HTTPS tunnels for developers and AI agents.
@BinaryScriptar · X
Introducing OtterKit. Always-on webhook endpoints and instant tunnels, built for developers and their AI agents. It started with a problem I kept hitting: every time my coding agent needed to test a Stripe or GitHub webhook, it had to open a tunnel. What OtterKit does • Permanent webhook URLs that answer senders 24/7 with the status, body and headers you choose, verify signatures on arrival (Stripe, GitHub, Shopify, Slack and 12 more), store full history, and forward matching events to your app, signed and retried • Instant HTTPS tunnels to any local port in one command, stable subdomains, auto stop, basic auth • Replay any captured request, edit the payload, re sign it, fire it at your local handler • Pulses: scheduled HTTP calls and dead man's switches with email alerts • Payload drift detection: baseline the JSON shape per event type, get emailed when a provider changes it • Custom domains ( and an email inbox on the same endpoint • A

AI-powered project planning that recommends the most cost-effective model for each task.
@Hanumliahzhra · X
vibecoding free tier Just discovered Vibe Coding Plan - AI-powered project planning that breaks down ideas into actionable tasks! Check it out

Download YouTube subtitles and thumbnails without registration.
@bharattpawarr · X
Just launched Built with Astro + Cloudflare features: YouTube Subtitle Downloader YouTube Thumbnail Downloader 🔗 #BuildInPublic #AstroJS #JavaScript #Cloudflare

Free SAST, DAST, and infrastructure vulnerability scanning with automated CMMC, HIPAA, SOC2, and ISO27001 compliance reports. Built for developers, security teams, and MSPs.
@AuditBastion · X
Built something worth testing? Scan it with

AI gateway service providing OpenAI and Anthropic-compatible endpoints for developers
@jembatanaicom · X
Building JembatanAI — Claude, GPT, DeepSeek, GLM & MiniMax behind one developer-focused gateway. Unlimited from ~$2 and credit from ~$0.23. Crypto accepted.

Free developer tools organized as a map, featuring formatters, generators, and decoders.
@AntiaIuri · X
Just shipped DevErse 🚀 A curated directory for dev tools & AI utilities built to speed up your workflow. It's super early stage — check it out and let me know your thoughts! 👇 🔗 #buildinpublic #indiehackers #laravel #reactjs

Browser-based tools for formatting, encoding, testing, and converting data, mostly running locally.
4seasons · V2EX
devfun.org - 开发者(网络)工具集合 ## 访问地址 https://devfun.org ## 主要功能 - 本机 IPv4/IPv6 网络检查及 IP 信息查询 - 站点可访问性检查(支持全球区域) - 代理检查及代理全球出口检查 - 各类编解码、格式测试、文本格式化、校验密钥生成、文本处理、转换工具 欢迎大家使用,提供建设性的建议和意见!

An AI agent team plans, designs, and deploys full-stack applications with real databases and APIs.
@islamtaha · X

Add your product, choose what the attention is worth, and take the rank your bid buys.
@Xx_7uop · X

Website monitoring and maintenance reports for agencies, tracking uptime, SSL, domains, and SEO.
@devtet_mon · X
Building DevTet — monitoring + maintenance reports for web agencies. It helps agencies prove the value of website maintenance with uptime, SSL/domain, ping, key monitoring, WordPress maintenance log, WP plugin, Client groups and branded client reports.