- Chats: Invite up to 20,000 members to public or private chats, assign up to 50 chat administrators, quoting and forwarding, fast reply and read receipts.
- Stickers and GIFs: Thousands of unique stickers, including animated ones, upload sticker sets of your own, and add the ones you like most to your favorites, select from thousands of GIFs.
- Calls: Group video calls with up to 100 participants, calls with links that allow users to join in without registration on TamTam, video & audio calls with no additional fee.
- Channels: Private and public channels with an unlimited number of participants, channel moderation by administrators, public channels are available on the Internet without registration on TamTam, create a private channel without a link and use it for creating notes or saving files.
- Geolocation services: Send map points to your friends, turn on the live location sharing for your loved ones only, use the live location in your work-related or personal chats.
- Security: All messages are encrypted and stored in a distributed network of servers, own protocol to transmit any private data, well-known protection algorithms, like TLS cryptographic protocol.
- Multiplatform: Desktop client, web-version, mobile apps.
- Bot API: Developers can use Bot API to create their own bots for TamTam, add new functions to TamTam with the help of constructor bots, official bots: @reactions for likes and reactions, @comments for discussions, @antispam for anti-spam chat protection.
- Easy to use: Quick registration via phone number or Gmail, easy search by chat or channel, as well as within chats, short links for profiles, chats, and channels, offline access.