Office & productivity
Word processing, spreadsheets, presentations, notes, planning and personal information management.
Open source software for Windows
Find the right software for the task
From office suites and system utilities to graphics, audio, video and security tools: understand the purpose first, then decide what deserves a closer look.
Fields of use
One guide, many different tasks
The software is organised around what people want to accomplish, rather than assuming that they already know a program by name.
Graphics & design
Photo editing, vector drawing, page layout, animation and 3D creation.
Audio & video
Playback, recording, editing, streaming, subtitles and format conversion.
Explore multimedia →Security & privacy
Encryption, password management, backup, cleaning and storage health checks.
Explore security →System & utilities
File management, software removal, automation, disk analysis and maintenance.
Internet & networking
File transfer, email, communication, downloads and network diagnostics.
Education & knowledge
Learning, memory, astronomy, e-books and knowledge organisation.
Programming & development
Code editors, development environments, version control and automation tools.
Language note: This site provides an English project and category guide. The complete catalogue of 433 programs and its download links are currently available in German.
How to choose
Ask three questions first
- 01
What problem does it solve?
Define the task before comparing programs. More features do not necessarily mean a better fit.
- 02
Is the project still maintained?
Check the latest release, official website and release history before relying on the software.
- 03
Are the source and licence clear?
Download from the official project or another trusted release page and understand the relevant open source licence.