Open-source productivity software

28 open-source libraries, tools and applications tagged productivity, ranked by how closely productivity is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

28 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
Memos Memos is an open‑source, self‑hosted note‑taking web application built with Go and React. It stores Markdown notes in SQLite and provides a…	94	63681	active
Joplin Joplin is a free, open‑source note‑taking and to‑do application that stores notes in Markdown. It offers cross‑platform support, end‑to‑end…	99	56805	active
SiYuan SiYuan is a privacy-first, local-first note-taking and personal knowledge management application built around block-level editing, bidirect…	94	46723	active
Logseq Logseq is a privacy-first, open-source knowledge management and note-taking application built with Clojure/ClojureScript. It stores notes l…	95	45313	active
codexu/note-gen NoteGen is an open-source, cross-platform, local-first Markdown note-taking app built with Tauri and Next.js that separates quick capture (…	87	12896	active
blacksmithgu/obsidian-dataview An Obsidian plugin that indexes metadata from Markdown files (frontmatter and inline fields) and provides a SQL-like query language plus a …	54	9383	active
freeplane/freeplane Freeplane is a free, open-source desktop application for mind mapping, knowledge management, and project management, written in Java with S…	94	4407	stable
dvanoni/notero Notero is a Zotero plugin that syncs Zotero items and notes into a Notion database. It watches specified Zotero collections and automatical…	88	3237	active
chhoumann/quickadd QuickAdd is an Obsidian community plugin that turns repetitive note-taking actions into single hotkey-triggered commands. It combines four …	95	2376	active
liamcain/obsidian-calendar-plugin An Obsidian plugin that adds a calendar widget to the sidebar for visualizing and navigating daily and weekly notes. It shows word-count do…	23	2281	stable
Make-md/makemd Make.md is an Obsidian plugin that adds organization and personalization features to notes, including databases with two-way relations, for…	87	2035	active
TidGi TidGi is an Electron-based desktop note-taking and knowledge management app built on TiddlyWiki, featuring automatic Git backup, REST API i…	95	2002	active
appdev/siyuan-unlock An unlocked build of SiYuan, a privacy-first block-based note-taking application, that removes the login requirement so users can use the s…	93	1582	active
PKM-er/obsidian-editing-toolbar An Obsidian community plugin that adds a customizable MS-Word-like editing toolbar to the note editor, forked and extended from the unmaint…	98	1559	active
twibiral/obsidian-execute-code An Obsidian plugin that adds run buttons to code blocks in notes, executing code locally in many languages (Python, JavaScript, C++, Rust, …	42	1534	active
daledesilva/obsidian_ink Ink is an Obsidian plugin that lets users handwrite or draw with a stylus or Apple Pencil directly between paragraphs in their notes. It is…	90	1389	active
vslinko/obsidian-outliner An Obsidian community plugin that enhances working with nested lists, bringing Workflowy- and RoamResearch-style outlining to Obsidian. It …	86	1371	active
hadynz/obsidian-kindle-plugin An Obsidian plugin that syncs Kindle notes and highlights into your vault, either by screen-scraping Amazon's Kindle Reader cloud library o…	69	1285	active
archivy/archivy Archivy is a self-hostable personal knowledge repository that combines note-taking, bookmarking with full-page preservation, and a searchab…	23	3280	maintenance
Rainbell129/Obsidian-Homepage A CSS-based dashboard homepage theme and example vault for Obsidian. It provides styled widgets like project tracking, countdowns, and bann…	23	2264	maintenance
vitalyrodnenko/geeknote Geeknote is a Python command-line client for Evernote that lets users create, edit, search, and sync notes, notebooks, and tags from the te…	32	2090	maintenance
revezone/revezone Revezone is a lightweight, local-first, graphic-centric productivity app for building a second brain, combining Excalidraw and Tldraw white…	20	2661	experimental
blacksmithgu/datacore Datacore is an Obsidian plugin that indexes Markdown files and provides fast, live-updating query views, serving as the successor to Datavi…	80	2240	experimental
WeRead2Notion A Python tool that syncs WeChat Reading (WeRead) highlights and notes into a Notion database, typically run on a daily schedule via GitHub …	66	2931	abandoned
nvbn/everpad Everpad is a Linux desktop Evernote client with deep desktop integration, including a Unity lens, indicator applet, and launcher. It syncs …	32	1155	abandoned
FutureUniant/WorkShadow WorkShadow is a local-first desktop work journal app built with Tauri, React, and Rust, offering rich-text logging, keyword and semantic se…	68	13	active
tianma-if/edgeever EdgeEver is an open-source, self-hosted Evernote alternative note-taking application with a classic three-pane layout, rich text/Markdown e…	77	2264	active
import-ai/omnibox OmniBox is a cross-platform, self-hostable AI knowledge hub that lets users collect webpages, files, and voice notes, then parse, index, an…	89	1527	active