Ethereum is an open-source, public, blockchain-based distributed computing platform featuring smart contract (scripting) functionality.

Lingoes is a single-click multi-lingual translation software program released as a freeware translation utility.

Nxt is an open source cryptocurrency and payment network.

Groestlcoin is a multipurpose cryptocurrency that has instant & private transactions with minimal fees.

Qalculate! is a multi-purpose desktop calculator for GNU/Linux (and Mac OS).

Bitcoin is both a cryptocurrency and an electronic payment system.

Litecoin (LTC) is a peer-to-peer cryptocurrency and open source software project.

XE (XE Currency) is an online currency converter.

TransferWise is an international service to send currencies across countries.

OpalCalc is an interesting combination of a scientific calculator and a spreadsheet, which comes packed with features.