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A Markdown writing and notes app with folder and Library modes for Apple devices.

An open-source notebook for multimedia notes, attachments, and personal reference material.

An open-source note app for linked ideas, personal knowledge graphs, and self-hosted knowledge bases.

A mobile note-taking app that combines handwriting, AI-assisted notes, and live whiteboards.

Coordinate team work in workspace channels and direct messages within the Ubirimi suite.

Mobile-first internal chat for frontline and deskless employee teams.

A self-hosted business messenger with direct and team chat, plus separate forum and support tools.

Exchange office messages, group chats, and files on a private LAN or WAN without a dedicated server.

Keep channels, direct messages, calls, and shared files alongside the work managed in the Nexynt workspace.

A freeware Windows notebook for formatted notes, spreadsheets, diagrams, and personal information.

A local-first team notebook for real-time collaboration on plain Markdown files.

A handwritten notebook for Apple Pencil notes, PDF markup, study tools, and creative pages.

Organize a personal knowledge base with block-level notes, references, and bidirectional links.

Live audience polls that turn session chat into displayed results

An open-source academic notebook that brings Markdown notes, PDF annotations, and literature management together.

Collect notes, links, tasks, and files as visual cards on walls with several views and sharing options.

A local Markdown notebook that maps the path between connected ideas.

Self-hosted team messenger with chat, meetings, screen sharing, and a free small-team license.

A Matrix-based work messenger with direct chats, group rooms, bridges, and optional self-hosting.

Workplace chat connected to documents, meetings, calendars, and approvals.

Run secure messaging and calls with control over deployment and federation.

Run secure team chats, channels, and file sharing alongside on-premises video conferencing.

A self-hostable Matrix chat client with encrypted channels, calls, and screen sharing.

Run self-hosted office chat with group discussions, message synchronization, and screen sharing.