404 SOFTWARE LABS SL.

9 listings we've seen · as of 4 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Developer Tools

Browser automation for Claude without token limits. Uses CSS selectors, not snapshots. Open source, zero telemetry.

Just for Fun

Focus music player with lo-fi, classical, jazz, ambient & binaural beats. Continuous play with smooth transitions

Developer Tools

Report a bug in one click: capture a screenshot or screen recording, console errors and browser details, as one bug report link.

Developer Tools

Quick access to Grafana dashboard for Prometheus monitoring, Kubernetes, Loki, Tempo, and infrastructure monitoring

Developer Tools

Free backlink checker tool to verify links from freelancer reports. Upload CSV, PDF, or XLS and validate backlinks instantly.

Tools

Quick voice recorder app for any page. Capture voice notes, memos, audio recording. Store securely & share instantly with links.

Developer Tools

Curated list of SEO directories for link building. Track submissions, bookmark sites, and build backlinks faster.

Developer Tools

Convert HTML to Slim templates with one click - powered by Rails Blueprint

Well-being

Daily habit tracker to log small wins, build streaks, and create positive feedback loops. Celebrate your progress.