Find free and non-subscription alternatives to popular services.
A comprehensive free and open-source e-book management tool. Allows organizing, viewing, converting, and syncing e-books.
A self-hostable, open-source online office suite based on LibreOffice Technology. Provides editing for documents, spreadsheets, presentations in the browser. Self-hosted alternative to Google Workspace or Microsoft 365 online.
A free online and desktop diagramming tool. Excellent alternative to Microsoft Visio or Lucidchart for flowcharts, network diagrams, org charts, etc.
A free and open-source software application for creating mind maps and electronic outlines. Fork of FreeMind.
An open-source note-taking and to-do application with synchronization capabilities. Can import Evernote notes. Excellent privacy-focused alternative to Evernote or OneNote.
Open Source proofreading software for English, French, German, Polish, Russian, and more than 20 other languages. Offers grammar, style, and spell checking. Free tier available, can be self-hosted.
A powerful office suite that can replace Microsoft Office 365. Includes word processor, spreadsheet, presentation, and database applications.
A privacy-first, open-source knowledge base that works on top of local plain-text Markdown and Org-mode files. Focuses on outlining, task management, and networked thought. Alternative to Roam Research or Obsidian.
A powerful note-taking and knowledge management app. Alternative to subscription-based note-taking services.
Price: $50.00
Visit WebsiteOpen-source web-based project management software. Offers classic, agile, or hybrid project management. Self-hosted alternative to Jira or Asana.
A free and open-source, multi-platform desktop application to split, merge, extract pages, mix and rotate PDF files. Alternative for basic PDF manipulation tasks often requiring paid software.
A simple CalDAV (calendar) and CardDAV (contact) server. Allows sharing calendars and contact lists over the network. Self-hosted alternative to Google Calendar/Contacts backend or proprietary calendar servers.
A free, open-source, and completely encrypted notes app. Focuses on simplicity, longevity, and privacy. Alternative to Evernote or Simplenote with a strong privacy angle.
A free and open-source desktop email client developed by Mozilla. Manages multiple email accounts, calendars, and contacts locally. Alternative to Microsoft Outlook (desktop version).
An open-source, self-hosted Trello-like kanban board application. Built with Meteor framework. Alternative to Trello or Asana for visual task management.
A full-featured mind mapping and brainstorming tool. Helps visually organize information, manage complexity, and capture ideas. Offers a free version. Alternative to MindManager or MindNode.
A free and open-source Markdown editor for researchers, journalists, and writers focusing on academic or complex writing.