CoinsHub - All your crypto trades synchronized with no hassle
Papermind - Papermind Slack App is a collaborative article-editing and document management platform for Slack
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Quip: Team Documents for Slack - Create, share and get notified about Quip docs in Slack
CoinStats - CoinStats is a cryptocurrency research and portfolio tracker, that allows to access market data on over 3000 cryptocurrencies, track bitcoin and altcoin investments.
Workflowy - A better way to organize your mind.