20 match your filters — 17 of them answered our check today.
Watching this group for 10 days · how we check
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A free, open-source pollen and air-quality tracker for 30 Tajikistan cities, combining a seasonal allergen calendar with live weather and satellite air data, delivered in Tajik, Russian and English.
Watched for 2 days · last checked 2d ago
A free, open-source multiplayer bomb-arena game you play instantly in the browser with up to 8 friends — no download or account, and you can self-host it from the GitHub source.
Watched for 2 days · last checked 2d ago
A free, open-source CLI and web tool that turns an OpenAPI spec into a ready-to-use client SDK in TypeScript, Python, Go, Dart or Java — a developer tool, not an API service.
Watched for 3 days · last checked today
Instant, no-signup temporary email aliases with rotating domains to dodge blacklists, plus a public API for developers who want to build it into their own workflows.
Watched for 4 days · last checked today
A free, open-source AI tool that edits JSON files from plain-English instructions instead of hand-written syntax, with diff review and version rollback.
Watched for 4 days · last checked 3d ago
Converts YAML to JSON and back entirely in your browser, including multi-document Kubernetes manifests, with line-numbered parse errors, your config never leaves the browser.
Domain registered 12 days ago
Watched for 4 days · last checked today
A free, open-source grid tool for artists — perspective grids, composition overlays, an art projector, paint-by-number and an Instagram grid splitter — kept free where other tools paywall them.
Watched for 5 days · last checked 4d ago
Turns your GitHub commit history into an ICC-style cricket player card with a rating and role, purely for fun - a novelty for developers who grew up on cricket games, not real analytics.
Watched for 6 days · last checked 5d ago
A single API call returns live, cryptographically signed data across 87 sources so AI agents and software can verify what they're consuming — a developer-facing trust layer, not a consumer app.
Watched for 7 days · last checked today
Two LLMs control stick-figure fighters with swords in a real physics simulator and you vote on who fought better — a playful but genuine benchmark for comparing model tactical reasoning.
Watched for 7 days · last checked 1d ago
A free, open-source site of interactive step-by-step lessons in math, computer science and physics, with animations and quizzes. Built for self-directed students, not developers, despite the compsci content.
Watched for 7 days · last checked 6d ago
A free, open-source visual canvas for drawing data models — tables and joins — and exporting them to Google's Open Knowledge Format, for data and analytics engineers who want a schema their text-to-SQL tools can read.
Watched for 7 days · last checked 1d ago
A free, open-source tool for drawing and practicing your signature with custom pens and guides, then exporting it as PNG or SVG. General-purpose, not a developer tool.
Watched for 7 days · last checked 1d ago
Encrypted, self-destructing file transfers via a memorable three-word link, usable from the browser, terminal or Android app; open source and self-hostable, aimed at technical users rather than a dedicated mobile app.
Watched for 8 days · last checked 2d ago
A browser extension that hides X (Twitter) posts from countries you pick, detecting location locally with no external servers or sign-up. A niche personal timeline filter, not a developer tool.
Watched for 8 days · last checked 1d ago
A VPN with only US-based, RAM-only servers, open-source code you can audit, and anonymous sign-up by number, payable in cash or Monero. A general consumer privacy product, not a developer tool.
Watched for 8 days · last checked 1d ago
A local gateway that lets every AI coding client share one set of MCP server connections instead of configuring each tool separately, cutting how many tools your agent has to load.
Watched for 10 days · last checked today
Streamers get live tip alerts. Now the stage does too.
First seen today
Your ServiceNow, Zapier and AI agent — inside WordPress
Watched for 2 days
Should you pay off debt or invest? Find out after taxes.
Watched for 2 days