Electrum Bitcoin Wallet
You could work making a wallet better. You would need different languages for this. For example, Electrum is written in Python, other wallets use other languages.
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
Do I need a bunch of .dat files saved on my computer?
1 project | reddit.com/r/BitcoinBeginners | 15 May 2022
Help - How to verify Thomas's GPG public key is ok
2 projects | reddit.com/r/Electrum | 15 May 2022
What’s your opinion on a cashless society?
1 project | reddit.com/r/ireland | 14 May 2022
Cannot retrieve my wallet into Ledger Live
1 project | reddit.com/r/Bitcoin | 7 May 2022
tronbsf:Bitcoin (BTC) Mining Detailed Tutorial
3 projects | reddit.com/r/tronbsf | 2 May 2022