Hello! So glad we’re starting to discuss this! 
As excited as I am to finally name the project, I think it may be a tiny bit early for that, but for sure is worth exploring ideas for later.
The UI/UX impact on the name
If the UI/UX of the project will be more on the unique & innovative side, we might need to adapt to that. For example, suppose we really wanted to go for that real book feel, flipping pages interactions and all. We should probably link the name of the project to that. Of course, this is just the first example that came to mind, we don’t have to have flipping pages animations 
The idea is to focus on what makes the new project special from everyone else on the market.
Examples
If we look at the most liked knowledge management tools their UI/UX heavily supports their name.
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Notion → reducing a ton of knowledge to the most simplistic ideas. Its default UI clearly supports this goal, it’s literally black, white, very simple, thin lines.
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Obsidian → very durable, jet-black rock. It’s main theme clearly supports the name and the architecture is clearly supporting the file over app philosophy of the CEO(Steph Ango), durability aspects.
Of course, there are a lot of very popular examples where their UI doesn’t play a big role in the name and so their name focuses either on the end goal or on the main action that the user does in the software:
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Roam - comes from the verb “to roam” which is kind of like “to wander”. This makes a lot of sense because of their graph-focused knowledge management - focuses on the main action of the user
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Evernote - clearly focuses on the end goal, long-lasting notes
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Confluence - confluence is what occurs where two or more flowing bodies of water join to form a single channel, focuses on the end goal of complex collaboration
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Nuclino - probably going for the idea of nucleus, in a way trying to go for what Notion did (reducing to the notion = reducing to the nucleus, getting to the nucleus of things), focuses on the end goal
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Taskade - task + cascade - “transforms the chaotic mind into an organized hierarchy of cascading tasks” - focuses on the end goal, but also on the main action (making tasks)
will add more when I’m remembering others
Prerequisities
I feel like we might have to define our philosophy for the new project and a main idea for the UI/UX (pretty much what differentiates the new UI from Notion and the main competitors) before we actually name it.
Main Needs
If we ignore the UI/UX aspect, I think the name should:
- be mainly between 2-3 syllables,
- each syllable clear and sound,
- a variation of existing words
- shouldn’t feel like two words (one shouldn’t feel the need to pause between the words) - this is more of a subjective view on product names, I know there are a lot of popular products that have two words combined in the title. I don’t like two words in the name because you’d need a higher effort to remember it (hopefully I find a research on this, at the moment it’s just an assumption)
- if we have two words combined in the title: the first word shouldn’t end in a sound that is very similar to the second word’s first sound (CryptPad is an example of this, unfourtunately, even if I truly love the name’s meaning - it can sound like crippad depending on the accent of the person)
- respect the philosophy that we agree on
- should derive from known english words, but not usual words (words that everyone knows but doesn’t use everyday). I chose english because it’s easy to pronounce for everyone in the world. The words shouldn’t be very usual because they have to evoke something unique, special about the product.
- should revolve around positive stuff, beautiful stuff
- should have a .com and .org available