Companies who obsess over the user experience win over time. Cashflow Portal really obsesses over the user experience (syndicator and investor). Its a RE tech company built by true RE and tech talent.
Ark7 - Choose a property and invest in shares
Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
Peerstreet - Finances real estate through a form of crowdfunding.
TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.
RealtyShares - Real Estate Investing in 20 Minutes
LyX - LyX is a document processor.