OSS Discovery

CA
Canada
FRONTEND & UI
SELF-HOSTABLE
ACTIVELY MAINTAINED
PAID
Sogo

SOGO

Sogo is a premium, open-source groupware solution offering integrated calendars, contacts, and email services. It provides a scalable platform for collaborative work, supporting standards like CalDAV, CardDAV, and EAS. Targeted at businesses and organizations, Sogo streamlines communication and organization, ensuring seamless integration with existing infrastructure and systems.

GITHUB STARS
2.1k
+12% this month
FORKS
308
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
94
Tracking updates
LICENSE
GPL-2.0
Commercial use
Sogo is a premium, open-source groupware solution offering integrated calendars, contacts, and email services. It provides a scalable platform for collaborative work, supporting standards like CalDAV, CardDAV, and EAS. Targeted at businesses and organizations, Sogo streamlines communication and organization, ensuring seamless integration with existing infrastructure and systems.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

Objective-C
Objective-C
JavaScript
JavaScript
SCSS
SCSS
C
C
Shell
Shell
HTML
HTML
Rich Text Format
Rich Text Format
Java
Java
Makefile
Makefile
Perl
Perl
Python
Python
CSS
CSS
PHP
PHP
Dockerfile
Dockerfile
PLSQL
PLSQL
Wolfram Language
Wolfram Language

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Frontend & UI
Pricing
Paid
Self-Hosted
Yes
Available on
Web
Latest Release
SOGo-5.12.7
Mar 30, 2026

Relative Standing — across 1,284 tools

STARS2.1k
Top 64% globally
FORKS308
Top 58% in Open Source
ACTIVITYHigh
Top 43% Activity
WATCHERS94
Top 36% Community