Investor List - A searchable, crowdsourced list of over 1k investors
draw.io - Online diagramming application
Investor Scout - A database of 45k+ investors to raise your seed round 💰
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Foundersuite - Tools to get startup sh*t done!
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.