Copper might be a bit more popular than BOUML. We know about 1 link to it since March 2021 and only 1 link to BOUML. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Markdeep[0] from Casual Effects has a way of drawing diagrams using extended markdown. I used it to write this document with two diagrams: https://loan-free-ed.neocities.org Other tool I like are PlanetUML[1], BoUML[2] and Modellio[3](it is very heavy though on system resources!) [0] https://casual-effects.com/markdeep [1] https://plantuml.com [2] https://bouml.fr [3] https://www.modelio.org. - Source: Hacker News / about 3 years ago
I've seen Copper CRM work quite well for contractors (assuming that your team is using or open to using Google Workspace - if you're not using Google Workspace, I'd probably ask why not? But then recommend you to use Pipedrive if you're not willing to switch to Google Workspace). Source: over 1 year ago
Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.