Open source. Open possibilities.

Trilium Notes is a free, open-source, cross-platform hierarchical note-taking application designed for building large personal knowledge bases.

EncodeX is a cross-platform multimedia conversion tool that provides a modern desktop interface for FFmpeg, supporting video/audio conversion, cutting, and image compression.

HTW Media Client is an open-source Electron-based desktop client for the HTW Media Platform V2 API, providing a one-stop workbench for topic selection, transcription, media insights, content creation, smart editing, and multi-platform publishing.

A check-in study app for Zhuanshenben (college upgrade exam) candidates with Web (PWA) and desktop versions. Includes daily check-ins, Pomodoro, mistake notebook, habits, Markdown+LaTeX notes, charts, gamified achievements, and cloud sync across devices.

drawio-desktop is an offline-first Electron desktop app for creating diagrams, flowcharts, and visual designs locally without external data transmission.

Insomnia is an open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC, offering native OpenAPI design, test suites, mocking, a CLI for CI pipelines, and Local, Git or Cloud storage options.