See what the world is building.
Browse new projects, startups, and apps — or check whether your idea already exists before you build it.
communication · #open-source
19 matchesWeeChat
Fast, light, free, powerful, and customizable extensible chat client
Communicationircchat-clientopen-sourceThunderbird
Free Your Inbox.
Communicationemail-clientopen-sourceprivacyJitsi
More secure, more flexible, and completely free video conferencing
Communicationvideo-conferencingopen-sourceself-hostedThunderbird
Free Your Inbox.
Communicationemail-clientopen-sourceprivacyChatwoot
AI-powered, open-source customer support platform. Self-host or cloud.
Communicationcustomer-supportopen-sourceomnichannelTuta
Turn ON Privacy — secure emails, calendars & contacts, free forever
Communicationemailprivacyend-to-end-encryptionDelta Chat
A decentralized and secure messenger app for everyone
Communicationmessengerdecentralizedend-to-end-encryptionSimpleX Chat
Private and secure messenger without any user IDs, not even random
Communicationprivacyend-to-end-encryptiondecentralizedTox
Easy-to-use, free, and encrypted messaging without anyone listening in.
Communicationencrypted-messagingprivacyp2pBriar
Censorship-resistant peer-to-peer messaging that bypasses centralized servers.
Communicationpeer-to-peerencrypted-messagingofflineJami
Share, freely and privately
Communicationopen-sourceprivacydecentralizedSession
Send Messages, Not Metadata.
Communicationprivacyend-to-end-encryptiondecentralizedWire
Collaborate without Compromise — fully end-to-end encrypted messaging
Communicationend-to-end-encryptionsecure-messagingopen-sourceZulip
Organized chat for distributed teams
Communicationteam-chatasyncremote-workMatrix
An open network for secure, decentralised communication
Communicationopen-protocoldecentralizedsecure-messagingElement
Sovereign, interoperable and secure communications, built on the Matrix open standard.
Communicationend-to-end-encryptiondecentralizedself-hostedTelegram
Fast. Secure. Powerful.
CommunicationmessagingencryptionbotsProton Mail
Secure email that protects your privacy
CommunicationemailprivacyencryptionSignal
Say hello to a different messaging experience focused on privacy.
Communicationmessagingprivacyend-to-end-encryption
