Union
@unionlabs • Open source projects from unionlabs. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.
Portfolio concentration
47%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
30 repos
Visible snapshot
0 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (10), Rust (6), Go (5)
Average size
8
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
Updated: 2026-05-07(122d ago)GitHub API fallback30 repositories
47%
of the visible star count comes from this organization's top three repositories.
8
stars per repository in this same snapshot.
Unknown
is the most common language here, with 0 repositories updated in the last 90 days.
Why this rank
This organization stands out because its public portfolio is relatively balanced across 30 repositories.
Balanced portfolio across 30 reposTop 3 share 47%
Organization pages work best when you separate portfolio breadth from flagship concentration. In Union's case, the visible top three repositories account for about 47% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (10), Rust (6), Go (5). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | Stars |
|---|---|---|---|
| 1 | unionlabs/cometbls CometBFT (fork of Tendermint Core): A distributed, Byzantine fault-tolerant, deterministic state machine replication engine | Go | 59 |
| 2 | unionlabs/tools | Nix | 26 |
| 3 | unionlabs/pg_ibc Postgres extension to handle IBC datatypes. | Rust | 25 |
| 4 | unionlabs/risczero-poc | Rust | 20 |
| 5 | unionlabs/wandering-whale-sharks | 12 | |
| 6 | unionlabs/feemarket Plug-and-play fee market module for Cosmos SDK chains | 11 | |
| 7 | unionlabs/cosmos-sdk :chains: A Framework for Building High Value Public Blockchains :sparkles: | Go | 10 |
| 8 | unionlabs/goblinbook | Go | 9 |
| 9 | unionlabs/worker-url-shortener Cloudflare Worker to shorten URLs. Intended to be used in https://docs.union.build/reference/graphql | Nix | 7 |
| 10 | unionlabs/explorer A light explorer for Cosmos-based Blockchains. | Vue | 6 |
| 11 | unionlabs/audits Union audits | 5 | |
| 12 | unionlabs/hid Gopher Interface Devices (USB HID) | C | 5 |
| 13 | unionlabs/wasmd Basic cosmos-sdk app with web assembly smart contracts | Go | 5 |
| 14 | unionlabs/chaintestutil Utilities for testing Cosmos SDK chains | Go | 4 |
| 15 | unionlabs/poa Cosmos Proof-of-Authority module for private & permissioned networks | 4 | |
| 16 | unionlabs/ibc-go Inter-Blockchain Communication Protocol (IBC) implementation in Golang. | 4 | |
| 17 | unionlabs/near-sandbox-union Easily run a local NEAR blockchain | 4 | |
| 18 | unionlabs/example-ucs03-solidity | Solidity | 3 |
| 19 | unionlabs/aptos-core Aptos is a layer 1 blockchain built to support the widespread use of blockchain through better technology and user experience. | Rust | 3 |
| 20 | unionlabs/nitro-testnode A complete environment for nitro-based service including sequencer, batch-poster, validator, and a coordinator. | 3 | |
| 21 | unionlabs/example-ucs01-cosmwasm | Rust | 2 |
| 22 | unionlabs/example-ucs01-solidity | Solidity | 2 |
| 23 | unionlabs/near-workspaces-rs-union Write tests once, run them both on NEAR TestNet and a controlled NEAR Sandbox local environment via Rust | 2 | |
| 24 | unionlabs/chain-registry | Python | 1 |
| 25 | unionlabs/xh Friendly and fast tool for sending HTTP requests | Rust | 1 |
| 26 | unionlabs/librclone Rust bindings for librclone. Automatically compiles rclone as a library and links it into your Rust application. | Rust | 1 |
| 27 | unionlabs/terranix-hcloud An opinionated hcloud terranix module you can use. | Nix | 1 |
| 28 | unionlabs/tree-sitter-gno Gno grammar for tree-sitter | JavaScript | 0 |
| 29 | unionlabs/gno-ibc gno <> union integration | 0 | |
| 30 | unionlabs/solana-proofs | 0 |
Next step after the organization read
Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.
Learn and methodology
Keep trust-building context reachable, but behind the first data read instead of ahead of it.
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.