1
Open source
connect4 supports multiplayer Connect Four over Nostr and can be hosted by players themselves.
Alternatives
The Best connect4.xyz Alternatives in 2026
3 alternatives0 free · 3 open source
Looking for something like connect4.xyz? Here are 3 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are open source.
About connect4.xyzconnect4.xyz
VisitCreate or join a Connect Four game on connect4.xyz, with options to share the game link and results.
Top picks at a glance
First suggestionconnect4connect4 supports multiplayer Connect Four over Nostr and…Another option@bitmacro/relay-connectrelay-connect provides a user interface for connecting to…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | connect4 | — | Yes | — |
| 2 | @bitmacro/relay-connect | — | Yes | — |
| 3 | Bitcoin Connect | — | Yes | — |
All connect4.xyz alternatives
2
Open source
relay-connect provides a user interface for connecting to BitMacro relays, with a related web interface and project links.
3
Open source
Bitcoin Connect links Lightning wallets to web apps, providing a connection layer for wallet-based payments.
No alternatives match this filter.
Alternatives to similar tools
What is the best alternative to connect4.xyz?
Based on features, tags and platforms, the closest alternatives to connect4.xyz are connect4, @bitmacro/relay-connect, and Bitcoin Connect.
Are there open-source alternatives to connect4.xyz?
Yes: connect4, @bitmacro/relay-connect, and Bitcoin Connect.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative