Set is an offline Markdown note-taking app with a block-based editor inspired by Notion. It offers device-to-device sync and local dictation on desktop, with notes saved as Markdown files. The app is available in beta for macOS, Windows, and Linux via browser or desktop client.
Tasku Cloud is a lightweight task manager offering cloud backup, real-time sync, and web access for teams, emphasizing speed and simplicity over bloated project management tools. It preserves familiar task fields like status and priority, supports filtering and dark mode, and requires no payment to start.
ProtonSync enables synchronization of Proton Contacts and Calendar with Android native applications, offering an open-source and free solution.
Elm-CRDT is a Pure-Elm library implementing Conflict-Free Replicated Data Types, enabling concurrent editing with automatic convergence regardless of merge order or decentralization. It supports multiplayer collaboration, offline capability, complete edit history, and features like delta sync, collaborative text via Fugoe, and rich text via Peritext.
SpaceTimeDB is a reactive backend platform that combines database, server logic, authentication, and real-time sync in one unified system, eliminating the need for separate web servers, ORMs, or microservices. Designed for AI agents and game developers, it allows code to run directly inside the database in Rust, C#, or TypeScript, providing automatic client synchronization and simplified deployment.