Best open source tools

A shared bill ledger for groups that trust each other's edits

Record a screen region and edit it into an animation or video.

Host channels, threads, and direct messages on the team’s own server.

Schedule professional projects locally with Gantt charts, critical paths, resources, and cost tracking.

Display system and hardware information in a customizable terminal summary.

Free envelope budgeting with local files and optional bank synchronization

Run free, open-source CI/CD pipelines with containerized workflow steps.

Plan a week of work on a local-first timeline with projects, offline access, and self-hosting.

Build a self-hosted project and task-management application around configurable data and workflows.

A privacy-first, open-source knowledge base for structured personal notes.

Probe authorized web applications for common security issues through a proxy or automated scan.

Self-hosted coin swaps with configurable offers and no protocol fee

Open-source browser chat for direct messages and XMPP group rooms.

An open-source, self-hosted tracker for personal work, customer projects, and team attendance.

Self-host a tag-based time tracker with calendar and dashboard views.

A WordPress contact-form plugin with a dedicated content block

Run a privacy-focused, open-source Kanban board for personal or team tasks.

Estimate Ethereum staking queues and the additional withdrawal delay

Detect changes in web-page content and send alerts when watched details move.

Offline expense records, local budgets and flexible CSV imports

Turn portfolio return histories into metrics, charts and shareable reports

Track project hours and invoice work with a self-hosted or hosted open-source time tracker.

Build Java pricing and risk calculations or run portfolio reports from files

A local-workspace knowledge manager for Markdown, mind maps, diagrams, and other files.