Productivity

Productivity15.0k

MITFree

Actual Budget

Privacy-focused personal budgeting app with local-first data and optional sync capabilities

Alternative to: Google Sheets

Productivity5.0k

Vikunja

Open-source to-do and task management app with lists, kanban, Gantt charts, and calendar

Alternative to: Todoist, Trello

e2e-encrypteddesktopoffline-capable

Productivity4.5k

otherFree+1

Anytype

Local-first personal knowledge management tool with object-based structure and peer-to-peer sync

Alternative to: Notion, Evernote

Productivity4.2k

self-hostedweb-basedplugin-system

DokuWiki

Simple and versatile wiki software that stores data in plain text files without a database

Alternative to: Confluence, Notion

Productivity58.0k

AppFlowy

Privacy-first open-source workspace for notes, wikis, and project management with AI features

rustdesktopcollaborative

Alternative to: Notion

Productivity12.0k

MITFreemium

Baserow

No-code database platform with spreadsheet interface, forms, and API for building applications

Alternative to: Airtable, Google Sheets

Productivity10.5k

desktopcross-platformplugin-system

Zotero

Reference management software for collecting, organizing, and citing research sources

Alternative to: Notion, Evernote

self-hostedweb-basedcollaborative

Productivity5.3k

AGPL-3.0Freemium+1

ONLYOFFICE

Online office suite with document, spreadsheet, and presentation editors supporting real-time collaboration

Alternative to: Microsoft Office, Google Docs

desktopmarkdownplugin-system

Productivity33.0k

AGPL-3.0Free+1

Logseq

Privacy-first knowledge management tool with outliner, graph view, and bidirectional linking

Alternative to: Notion, Evernote

Productivity7.5k

self-hostedweb-basedcollaborative

Docmost

Collaborative wiki and documentation software with real-time editing and rich content support

Alternative to: Notion, Google Docs

desktopmarkdowne2e-encrypted

Productivity22.0k

AGPL-3.0Freemium+1

SiYuan

Local-first personal knowledge management system with block-level referencing and sync capabilities

Alternative to: Notion, Evernote

Productivity49.0k

AGPL-3.0Freemium

NocoDB

No-code database platform that turns any database into a smart spreadsheet with API access

Alternative to: Airtable, Google Sheets

e2e-encryptedcross-platformprivacy-focused

Productivity10.5k

GPL-3.0Freemium+2

Notesnook

End-to-end encrypted note-taking app with rich text editor, notebooks, and cross-platform access

Alternative to: Evernote

typescriptmarkdownself-hosted

Productivity3.2k

MITFree

SilverBullet

Extensible, self-hosted knowledge management system built on Markdown and web standards

Alternative to: Notion, Evernote

Productivity4.5k

AGPL-3.0Freemium

Leantime

Strategic project management system with goal tracking, to-dos, and timeline visualization

Alternative to: Asana, Monday.com

Productivity1.2k

Traggo

Tag-based time tracking tool with a clean interface and self-hosting support

self-hostedgolangdocker

Alternative to: Todoist, Asana

self-hostedweb-basedcollaborative

Productivity16.8k

Apache-2.0Free

Etherpad

Real-time collaborative text editor that allows multiple authors to edit simultaneously in-browser

Alternative to: Google Docs

self-hostede2e-encryptedweb-based

Productivity5.7k

AGPL-3.0Freemium

CryptPad

End-to-end encrypted collaboration suite with documents, spreadsheets, presentations, and kanban boards

Alternative to: Google Docs

web-basedcollaborativetypescript

Productivity42.0k

MITFreemium

AFFiNE

Next-generation knowledge base combining docs, whiteboards, and databases in one workspace

Alternative to: Notion

Productivity21.0k

otherFree

Focalboard

Personal task and project organization tool with board, table, and gallery view options

self-hosteddesktopgolang

Alternative to: Trello, Asana, Notion

e2e-encryptedcross-platformprivacy-focused

Productivity5.3k

AGPL-3.0Freemium+2

Standard Notes

End-to-end encrypted note-taking app with longevity focus, extensions, and cross-platform sync

Alternative to: Evernote

Productivity11.5k

cross-platformdesktoplightweight

Xournal++

Handwriting note-taking software with PDF annotation support and pressure-sensitive pen input

Alternative to: Evernote

Productivity3.8k

mobile-friendlyoffline-capable

Tasks.org

Open-source task management app for Android with CalDAV sync, subtasks, and location reminders

Alternative to: Todoist