ForkDelta is described as 'decentralized Ethereum Token Exchange with the most ERC20 listings of any exchange. ForkDelta currently acts as an open source, updated interface for EtherDelta's smart contract with an active and public development team' and is an app in the Bitcoin & Cryptocurrency category. There are more than 25 alternatives to ForkDelta for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Android. The best alternative is NiceHash, which is both free and Open Source. Other great apps like ForkDelta are MinerGate (Free), MultiMiner (Free, Open Source), Cudo Miner (Free) and Awesome Miner (Freemium).
Bitminter is a Bitcoin mining pool that aims to make it easy for anyone to make bitcoins. Bitminter has it's own custom miner with a clear graphical interface and can work with GPUs and external ASIC devices equally well.
Bitcoin miners perform complex calculations known as hashes. Each hash has a chance of yielding bitcoins. The more hashes performed, the more chances of earning bitcoins. Most people join a mining pool to increase their chances of earning bitcoins.