Update build-open-source.md

docs/build/build-open-source.md

@@ -155,7 +155,7 @@ In the below sections, you can find a list of different layers of the Polkadot S
 | Verifiable Claims               | [KILT](https://github.com/KILTprotocol/kilt-node) 🟢, [Dock](https://github.com/docknetwork/dock-substrate) 🟢, [Fennel Protocol](https://github.com/fennelLabs/Fennel-Protocol) 🟢|
 | Supply chain                    | [DSCP Node](https://github.com/digicatapult/dscp-node) 🟢|                                                                                                                                                                                        |
 | Health care                     |  |                                                                                                                                                                                        |
-| Data Availability    | [Avail](https://github.com/availproject/avail) 🟢|                                                                                                                                                                                        |
+| Data Availability    | [Avail](https://github.com/availproject/avail) 🟢, [Melodot](https://github.com/ZeroDAO/melodot) 🟢|                                                                                                                                                                                        |
 | Social Networking               | [Frequency](https://github.com/LibertyDSNP/frequency) 🟢, [Social Network](https://github.com/social-network/blockchain) ⚪, [SubSocial](https://github.com/dappforce/subsocial-parachain) 🟡, [ZeroDAO](https://github.com/ZeroDAO/ZeroDAO-node) ⚪, [Myriad Node](https://github.com/myriadsocial/myriad-node) 🟢, [Wika Network](https://github.com/randombishop/wika_etl) ⚪, [Project Liberty](https://github.com/LibertyDSNP/mrc) 🟢, [Listen](https://github.com/listenofficial/listen-parachain) ⚪, [Tribal Protocol](https://github.com/tribal-protocol/tribal_contract) ⚪, [Five Degrees on Substrate](https://github.com/rust-0x0/hex-space-protocol-substrate) ⚪, [Acuity Social](https://github.com/acuity-social/acuity-substrate) 🟡| Private instant messenger that uses on-chain identity                                                                                                                                  |
 | Governance/DAO                  | [Hashed Network](https://github.com/hashed-io/hashed-substrate) 🟡, [Sunshine DAO](https://github.com/sunshine-protocol/sunshine-bounty) ⚪, [Governance OS](https://github.com/NucleiStudio/governance-os) ⚪, [Idavoll Network](https://github.com/idavollnetwork/idavoll) ⚪, [Substrate Moloch](https://github.com/DoraFactory/Substrate-Moloch-V2) ⚪, [QRUCIAL-DAO](https://github.com/Qrucial/QRUCIAL-DAO) 🟢, [Societal](https://github.com/sctllabs/societal-node) 🟢, [DAOs](https://github.com/daos-org/daos) ⚪, [Shivarthu](https://github.com/amiyatulu/shivarthu/) 🟢, [Faterium](https://github.com/faterium) 🟢, [Supersig](https://github.com/decentration/apps) ⚪, [GenesisDAO](https://github.com/deep-ink-ventures/genesis-dao-node) 🟢, [DAO Entrance](https://github.com/dao-entrance/dao-entrance-node) 🟢, [Liberland](https://github.com/liberland/liberland_substrate) 🟡| [Consul](https://github.com/consul/consul)<!-- NO_STATUS_BADGE --> - Open Government and E-Participation Web Software                                                                  |
 | Prediction Markets and Futarchy | [Zeitgeist](https://github.com/zeitgeistpm/zeitgeist) 🟢, [X Predict Market](https://github.com/XPredictMarket/NodePredict) ⚪|