Thanks Theo!
Nuffle Labs pivoted to https://moremarkets.xyz/, but otherwise, I don't see sufficient demand for NEAR DA coming in. They don't have any major L2 integrations as of now, only RaaS type integrations with service providers like Polygon CDK and Arbitrum's Orbit, but everyone has those integrations. NEAR claims to have 16MB/s of DA throughput, but you have EigenDA with 15MB/s, providing the added perception of ETH alignment. MegaETH will be using EigenDA. Eclipse is using Celestia rn.
Sui's Walrus, which is a storage protocol like Filecoin/IFPS, could also be used as a DA layer, but again, like Near DA, it hasn't seen any demand from L2s.
For now, we have TIA, AVAIL, and EIGEN as decent contenders. TIA, apart from scaling its DA, is also working on zk accounts and lazybridging. EigenDA is laying out a path to 1 GB/s DA throughput. AVAIL recently announced Turbo DA, which has 250ms pre-confirmation times compared to Celestia's 10mins.
DA could be an interesting theme going forward. We'll have a more detailed comparison soon.