OpenACS. The Toolkit for Online Communities
News
OpenACS 5.10.1 final released
3038 files changed, 1291141 insertions(+), 354533 deletions(-)These changes were contributed by 8 committers
- Antonio Pisano
- Gustaf Neumann
- Günter Ernst
- Héctor Romojaro
- Michael Aram
- Raúl Rodríguez
- Sebastian Scheder
- Thomas Renner
and additional 8 patch/bugfix providers
- Felix Mödritscher
- Frank Bergmann
- Franz Penz
- Josue Cardona
- Keith Paskett
- Markus Moser
- Marty Israelsen
- Monika Andergassen
Many thanks to everybody who made this release possible!
[1] https://openacs.org/projects/openacs/download/
[2] https://openacs.org/doc/release-notes
[3] https://openacs.org/changelogs/ChangeLog-5.10.1
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Recent Announcements
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Recent Discussions
OpenACS Development
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Gustaf Neumann, 2 days ago
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Josh Santos, 1 week ago
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Antonio Pisano, 2 weeks ago
OpenACS Q&A
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Gustaf Neumann, 4 days ago
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Tyge Cawthon, 2 weeks ago
Recent Bug Fixes
- Issues entered into the OpenACS bug tracker during last year: 5 (resolved 4)
- Issues from bug tracker fixed/closed during last year: 60
- Issues from bug tracker fixed/closed since release of
- 5.9.1 (Aug 08, 2017): 151
- 5.10.0 (Sep 15, 2021): 65
- 5.10.1 (Sept 03, 2024): 59
What is OpenACS
OpenACS is an open-source toolkit for building scalable, community-oriented web applications. OpenACS is the foundation for many products and websites, including the .LRN (pronounced "dot learn") e-learning platform.
OpenACS is open source and is available under the GNU General Public License.

Download Now!
Version 5.10.1 (full version)
Available Versions
Install documentation
Generic installer
Windows Installation
Once the core system is installed, you can install packages from the OpenACS Package Repository.
Community
One of the strengths of the OpenACS project is the community surrounding it:
- Discussion forums
- #openacs channel in IRC at freenode.net (IRC info)
- Wiki
- File Storage
We are open to your contributions! If you have an idea, a new piece of documentation, or a patch, we want to hear about it!
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