Apple Notes
Apple Inc. · Personal knowledge management
Apple's built-in notes app for Mac, iPhone, iPad and iCloud.com with folders, tags, attachments, handwriting, shared notes and on-device search
ProprietaryFreeLocalNov 2, 2026
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RStudio IDE
Posit Software, PBC · Mathematical & statistical computing
Posit's open-source integrated development environment for R, with console, editor, plots, environment panes, Quarto/R Markdown authoring and Python via reticulate
AGPL-3.0-onlyFreeOpen sourceLocalSelf-hostedNov 2, 2026
Visual Studio Code
Microsoft · IDEs & editors
Free, extensible code editor from Microsoft with a large extension marketplace, integrated terminal, debugging, remote development and built-in AI assistance
MITFreeLocalNov 2, 2026
Zotero
Corporation for Digital Scholarship · Citation management
Free, open-source reference manager with browser connectors, word-processor plugins, a PDF reader, group libraries and optional paid file storage
AGPL-3.0-onlyFreeOpen sourceLocalNov 2, 2026
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