PostHog is open-source product analytics, session replay, feature flags and experiments in one platform.. The tools below share its categories (Analytics, Open Source). Most are still pre-launch, so you are comparing direction and early access rather than finished feature lists.
Dub
LaunchedOpen-source link management with short links, analytics and conversion tracking.
Plausible Analytics
LaunchedOpen-source, privacy-friendly web analytics without cookies.
Trifle
LaunchedOpen-source time-series metrics that work with your existing database.
Jev Ultrafast
Betai. am. speed.
Astro
LaunchedA web framework for content-driven sites that ships zero JavaScript by default.
Biome
LaunchedA fast formatter and linter for JavaScript, TypeScript, JSON and CSS in one tool.
Bun
LaunchedA fast JavaScript runtime, bundler, test runner and package manager in one binary.
Compositor
LaunchedThe Photoshop alternative for Mac
Convex
LaunchedA reactive backend where queries, mutations and schemas are written in TypeScript.
Copperhead
LaunchedAn open-source AI engineering platform for designing, verifying and shipping circuit boards.
Drop
LaunchedA rootless Linux sandbox for isolating coding agents and third-party programs.
Excalidraw
LaunchedAn open-source virtual whiteboard for sketching hand-drawn-style diagrams.
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