Signal
Signal 是一款注重隐私的开源通讯应用，采用端到端加密保护对话内容。它不仅是日常聊天工具，更是安全通信的参考实现。本文从开源生态、加密机制与真实使用场景切入，评估其价值与局限。
FlinkCreate QR Codes, embeddable link previews for your website and crawls/scrapes metadata. (Demo) MIT Docker
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Lowdefy
Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON on an self-hosted, open-source platform. Connect to your data sources, host via Serverless, Netlify or Docker. (Source Code) Apache-2.0 Nodejs/Docker
Yarr
Yarr (yet another rss reader) is a web-based feed aggregator which can be used both as a desktop application and a personal self-hosted server. MIT Go
ryot
Track various facets of your life - media, fitness, etc. (Demo) GPL-3.0 Docker
Mayan EDMS
Electronic document management system for your documents with preview generation, OCR, and automatic categorization among other features. (Source Code) GPL-2.0 Docker/K8S
myTinyTodo
Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant. (Demo, Source Code) GPL-2.0 PHP
XWiki
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture. (Demo, Source Code) LGPL-2.1 Java/Docker/deb
幕布
幕布是一款大纲笔记和思维导图结合的笔记工具，通过树形结构来更清晰更高效的记录笔记，还可绘制思维导图、逻辑图、组织结构图、时间轴、树形图等多种图形。在记录学习笔记、备考资料、管理任务、制定计划清单时，还可实现团队间的实时协作和共享，提升团队工作效率。