( you + your friends ) = SigmaChat
Announcements1
movie night
gaming
music3
theoYou: see you at 76:02 PM
One board per crew
Movie night, gaming, the study group. Each one gets its own room.
Replies, reactions, GIFs
Answer the message from an hour ago without derailing the one happening now.
mayawho's bringing the switch tomorrow
priya4:14 PM
I have it, chill
🙏3⚡5+
Invite-only, always
No public boards. A board is exactly the people someone handed a link, and links can expire.
Invite to movie night
sigmachat.org/join/••••••Copy
expires in 7 days · 3 of 10 uses leftRevoke link
Polls, pins, and files
Group chats are where plans get made.
Put it to a vote
the bear one4
space documentary2
The movie, the restaurant, who drives. Results update as people vote.
Pin the plan
movie night is ON for saturday
doors at 7, bring snacks
The address, the time, the doc, one click away.
Drop files in
physics-notes.pdf2.4 MB
reaction gif
Homework, screenshots, zips, straight into the chat.
A profile for every board
Your tag in the gaming board, your actual name in the study group. Pick a name, pronouns, a status, and a color for each.
priyashe/her
doing hw
THIS BOARDprofile for movie night
Keyboard people welcome
⌘Kjump anywhereAlt↑↓walk your boardsAlt⇧↑↓next unreadAltMtoggle membersCommon questions
- Is it free?
- Yes. There are no paid tiers.
- Do I need to install anything?
- No. Sign in with Google or an email code and you’re in.
- How do I join a friend’s board?
- Ask them for an invite link, or type their six-character code at the join page.
- Can I make my own board?
- Yes. Every account can create boards and invite people.
- Who can see my messages?
- The people in the board. There are no public boards.
- Can I build bots?
- Yes: slash commands, webhooks, and a REST API. The docs live at docs.sigmachat.org.
Bring your people.
Start a board for your group chat, or grab an invite from a friend who already has one.