Trilium Notes is an open-source app for taking notes and organizing a personal knowledge base locally or through synchronization.
Butterfly
vsMem
Butterfly vs Mem
How do Butterfly and Mem compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Butterfly | Mem |
|---|---|---|
| What it is | Linwood Butterfly provides an endless workspace for handwriting, sketching, annotating, taking notes, and organizing ideas. | Mem organizes meeting notes, projects, and knowledge bases for teams with searchable AI features. |
| Website | ||
| Type | Online tool | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Butterfly and Mem.
SigmaNote organizes PDFs, voice notes, webpages, and videos into a searchable knowledge base for AI-assisted learning and work.
Open Notebook provides a private workspace for learning, research, and organizing knowledge.
Tolaria organizes notes as Markdown files and describes itself as a second-brain app.
Free
20 alternatives



