Libre chain has lots of dev resources and a supportive community of developers on Discord.
Libre Ecosystem Page
https://chain.libre.org/apps has some open-source and mobile applications that show the power of integrating or building on Libre. To add your app, please join discord and let us know how you are using Libre.
You can find some open-source projects at the following repositories:
Smart Contracts, Scripts, (this Gitbook), and more:
Unexpected error with integration gitlab-files: Integration is not installed on this space
Most Libre validators run open-access API endpoints separately from their validator nodes. There are several types of nodes that provide different services - producer, full-history, hyperion, v1, v2, p2p. Check out Libre Chain Nodes for in depth technical info on running your own nodes.
Visit tools.libre.org for comprehensive Libre blockchain tools including loan monitoring, contract explorer, account history viewer, Bitcoin bridge tracker, vault inspector, and multisig proposal viewer. Open-source tools provided by Quantum validator - source code available.
Libre RPC API
Libre has a fully functional API for interacting with the chain and chain history. Create accounts, submit transactions, get balances, deploy smart contracts.
Want to integrate Libre into your existing wallet? You can use the open-source Libre-Link and Libre-Link-Browser npm packages for authentication and execution of signing requests.