List of free blockchain stuff for developerππ½
If you're looking for all programming tools around blockchain (not just free). Check this page List of blockchain Programming Tools

CryptoCareers
Start your Web3 career. Join our community and get matched with Blockchain, Cryptocurrency, DeFi, NFT jobs that meet your requirements.
Tag: jobs, blockchain, web3, cryptocurrency

Tatum
Blockchain platform providing one API and SDK to create NFTs and access 40+ blockchains, including Bitcoin, Ethereum, Polygon, Algorand, Flow, and Celo.
Tag: blockchain, nft, web3, api
Unlimited API calls capped at 5 requests/second.