Libre
Alts
Ctrl K
Alternatives
Team chat
Slack
Analytics
Google Analytics
Automation
Zapier
Email
Gmail
All alternatives →
Categories
Archiving
(12)
Automation
(27)
Blogging
(10)
Bookmarks
(17)
Calendar & Contacts
(8)
Community-Supported Agriculture (CSA)
(7)
Conference Management
(5)
Content Management Systems (CMS)
(36)
Customer Relationship Management (CRM)
(6)
Database Management
(17)
DNS
(6)
Document Management
(18)
E-books
(14)
E-commerce
(14)
Email Lists
(9)
Email Servers
(17)
Feed Readers
(20)
File Transfer & Synchronization
(13)
Forums
(33)
Games
(8)
Institutional Repository and Digital Library Software
(5)
Integrated Library Systems (ILS)
(3)
IRC
(8)
Mail Delivery Agents
(3)
Mail Transfer Agents
(8)
Messaging
(37)
Object Storage & File Servers
(6)
Peer-to-peer Filesharing
(7)
Scheduling
(7)
Single-click & Drag-n-drop Upload
(25)
SIP
(10)
Video Conferencing
(9)
Web Analytics
(29)
Web-based File Managers
(14)
Webmail Clients
(3)
XMPP
(7)
All categories →
Fresh
◐
Submit
Alternatives
Intercom
WordPress.com
Zendesk
WhatsApp
Pushover
Pastebin
Calendly
Google Calendar
All alternatives →
Categories
Archiving (12)
Automation (27)
Blogging (10)
Bookmarks (17)
Calendar & Contacts (8)
Community-Supported Agriculture (CSA) (7)
Conference Management (5)
Content Management Systems (CMS) (36)
Customer Relationship Management (CRM) (6)
Database Management (17)
DNS (6)
Document Management (18)
E-books (14)
E-commerce (14)
Email Lists (9)
Email Servers (17)
Feed Readers (20)
File Transfer & Synchronization (13)
Forums (33)
Games (8)
Institutional Repository and Digital Library Software (5)
Integrated Library Systems (ILS) (3)
IRC (8)
Mail Delivery Agents (3)
Mail Transfer Agents (8)
Messaging (37)
Object Storage & File Servers (6)
Peer-to-peer Filesharing (7)
Scheduling (7)
Single-click & Drag-n-drop Upload (25)
SIP (10)
Video Conferencing (9)
Web Analytics (29)
Web-based File Managers (14)
Webmail Clients (3)
XMPP (7)
Fresh releases
About
Submit
Open Source Software Catalog
88 programs — free forever, legal to download.
Sort:
Popular
Recent
Stars
License:
All
AGPL-3.0
Apache-2.0
BSD-2-Clause
BSD-3-Clause
BSD-4-Clause
CC0-1.0
EUPL-1.1
EUPL-1.2
GPL-2.0
GPL-3.0
ISC
LGPL-2.1
LGPL-3.0
MIT
MPL-1.1
MPL-2.0
OSL-3.0
Unlicense
Platform:
All
Linux
Windows
macOS
Docker
Web
Released:
Any
30 days
90 days
1 year
Reset filters
Showing 88 programs
D
Dagu
GPL-3.0
Automation
S
SAMA
GPL-3.0
Messaging
T
Tinode
GPL-3.0
Messaging
D
DebOps
GPL-3.0
Email Servers
I
Inboxen
GPL-3.0
Email Servers
C
Courier MTA
GPL-3.0
Mail Transfer Agents
H
HyperKitty
GPL-3.0
Email Lists
M
Mailman
GPL-3.0
Email Lists
P
Postorius
GPL-3.0
Email Lists
S
Schleuder
GPL-3.0
Email Lists
W
Wazo
GPL-3.0
SIP
N
NodeBB
GPL-3.0
Forums
J
Janus
GPL-3.0
Video Conferencing
T
Tigase
GPL-3.0
XMPP
O
Omeka
GPL-3.0
Content Management Systems (CMS)
S
SPIP
GPL-3.0
Content Management Systems (CMS)
d
d9
GPL-3.0
Database Management
M
Mathesar
GPL-3.0
Database Management
A
AdGuard Home
GPL-3.0
DNS
T
Technitium DNS Server
GPL-3.0
DNS
E
EveryDocs
GPL-3.0
Document Management
I
I, Librarian
GPL-3.0
Document Management
P
Paperless-ngx
GPL-3.0
Document Management
K
Kavita
GPL-3.0
E-books
←
1
2
3
4
→