# Technical Docs

- [Communities We Don't Approve](/technical-docs/communities-we-dont-approve.md): buildship.xyz is very strict on quality of approved communities.
- [Community Guidelines](/technical-docs/community-guidelines.md)
- [How to refresh NFT metadata on OpenSea?](/technical-docs/how-to-refresh-nft-metadata-on-opensea.md)
- [How to call contract methods via Etherscan?](/technical-docs/how-to-call-contract-methods-via-etherscan.md)
- [How to use IPFS Desktop](/technical-docs/how-to-use-ipfs-desktop.md)