Developer tools
59 entriesTooling around building and shipping software.
59 entries
Codebase intelligence for TypeScript and JavaScript: hotspots, duplication, boundaries.
Named .localhost URLs instead of port numbers, for humans and agents.
A TypeScript logger for wide events and structured errors.
Local drop-in replacements for external services in CI and sandboxes.
Compile-time authorization proofs for TypeScript, with no runtime cost.
Mounts a JavaScript object as a real filesystem for editors, CLIs and agents.
react-doctor for prose: a 0-100 score for Markdown and component text, built for CI.
`npx fledgling add` sets up a new monorepo package on npm.
Runs only the Playwright or Vitest tests a code change could affect.
Terminal multiplexer for running several AI coding agents, with live agent status.
Product analytics with session replay, feature flags, experiments and surveys.
Cookie-free, lightweight web analytics you can self-host. Plans from $9 a month.
Open-source analytics, self-hosted or cloud, with heatmaps and session recordings.
AGPL-3.0, cookie-free analytics with session replay, funnels and journeys.
Open-source web and product analytics with funnels, retention and session replay.
Open-source, cookie-free web analytics; self-host it or use the hosted version.
Download any video from your terminal.
Opinionated Oxlint rules that reject low-evidence TypeScript patterns.
An agent-first linter for Tailwind design systems.
Self-hosted analytics that runs on Cloudflare Workers and R2. MIT.
Open-source Playwright library for AI browser regression tests with caching.
Live USB device tree in your terminal.
An experimental Rust-native build tool for React apps.
Diffs function call stacks across git commits for 22 languages.
A Git forge on Cloudflare Durable Objects.
Bun WebView tooling with a screenshot pipeline, as a Claude Code plugin.
Self-hosted, cookie-free analytics as one small binary with SQLite built in.
Run GitHub Actions locally.
AI-driven end-to-end testing for web and mobile, with an MCP server.
Error tracking, performance and uptime monitoring in one platform.
A native SSH picker and key manager with SFTP and cloud VM sync.
Incident management, on-call, logs and error tracking in one platform.
Faster GitHub Actions runners with quicker caches and Docker builds.
Linear on reworking CI to keep up with AI-generated changes.
Cookieless product analytics with funnels, goals and a built-in AI analyst.
A self-contained code editor that lives in your terminal.
Git-compatible mirror network so agents clone fast without hitting GitHub limits.
Computational gastronomy: explore flavour pairings and turn them into recipes.
Cookie-free hosted analytics with UTM tracking and email reports.
Cursor's research post on hosting Git repositories at huge scale.
A Git host without accounts: mint a token, pick a name and push.
Drop-in replacement for GitHub runners at a lower price.
A tiny Linux-like OS in TypeScript with 60+ Unix commands, for browsers and Node.
Self-hosted log analytics for ClickHouse and VictoriaLogs in one binary.
End-to-end UI testing for iOS, Android and web with a CLI and Studio.
Privacy-first Google Analytics alternative with revenue attribution and an MCP server.
Optimize and convert images and videos on top of ImageMagick and FFmpeg.
CLI to browse OSS perk programs and check whether your project qualifies.
A PDF zine from jvns.ca about performance (the clip itself came through empty).
Cookie-free analytics hosted in Germany, with funnels and session drill-downs.
A fast local client for GitHub PRs.
Scans your code before deploy for leaked keys, missing env vars and lapsed certs.
React debugging that traces a render to its cause and diffs two moments or sessions.
Cookie-free, EU-hosted analytics that stores no IP addresses.
GitHub-hosted runners already include browsers; skip Playwright's install step.
A browser that runs inside your terminal.
VS Code inside your terminal.
Monorepo build system that avoids repeating work across developers, CI and agents.
Privacy-first, cookieless web analytics.
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