Timy Messenger
Open source mobile app for groups to communicate and organize themselves
An amazing open source group messaging app build with flutter. ✨

Main Features:

Multiple groups (similar to Teams in Slack).
Multiple open or private channels within groups.
Sharing of photos and photo collections.
React to messages with emoji.
Push-notifications for message and channel updates.
Specific channels for events (e.g. containing date, venue).
Editing of event channels.
Calendar for all upcoming and passed events aggregated over all groups and channels.
English and German localization.
RSVP for events.