First, you will need to join the Discord server.
Discord groups channels by category, and each project has a distinct one. Once you're in the server, here are links to specific projects:
Graduated projects:
- Hyperledger Aries
- Hyperledger Besu
- Hyperledger Fabric
- Hyperledger Indy
- Hyperledger Iroha
- Hyperledger Sawtooth
Projects in incubation:
- Hyperledger Bevel
- Hyperledger Cactus
- Hyperledger Caliper
- Hyperledger Cello
- Hyperledger Explorer
- Hyperledger Firefly
- Hyperledger Grid
- Hyperledger Transact
- Hyperledger Ursa
Labs, SIGs, and WGs are also in distinct categories. For instance, the Solang lab, the Capital Markets SIG, and the Technical Working Group China.
It helps if you link to your GitHub profile from discord; here are instructions.