Obsidian alternatives

Obsidian is listed under Dev Tools: Local-first notes app that stores Markdown files. We compare it with 15 other Dev Tools tools that have researched data. 15 of them offer a free plan or are free to use (9 open source), and 0 are paid only. Obsidian itself is freemium (free plan + paid tiers).

Order: Sorted by how much you can use for free (free or open source first, then free plan with paid tiers, then paid only), then by the number of documented features, then alphabetically. No ratings or reviews are used.

Tool	Pricing	Free tier	Key features	Who it's for
Obsidian this tool	Freemium (free plan + paid tiers)	Yes	Save notes on your device as Markdown files, including offline Create links between notes and view them as a graph Research, brainstorm, and diagram ideas on a canvas	People who keep private notes, journals, knowledge bases, and projects.
DigUp	Free and open source	Yes	Searches photos, PDFs, documents, recordings, video, and code by what is in them Runs entirely on your computer on Mac, Windows, and Linux Uses Google DeepMind's EmbeddingGemma 2 across text, image, audio, and video	People who want to search the files on their own computer.
SkillSpector	Free and open source	Yes	Scans Git repositories, URLs, zip files, directories, or a single file Runs static checks and can add optional LLM semantic analysis Writes terminal, JSON, Markdown, or SARIF reports	Developers reviewing an AI agent skill before they install it.
Puter Everything	Free and open source	Yes	MIT monorepo that rebuilds proprietary apps as open-source alternatives Office apps include spreadsheet, documents, presentation, whiteboard, and PDF Also meetings, team chat, email, calendar, and other folders in src	Developers looking through Puter's open-source app rebuilds.
Agent Toolkit for AWS	Free No additional charge; pay only for AWS resources	Yes	Auto-detects your agents, installs skills, and configures the MCP server Managed MCP server for AWS CLI commands, docs search, and curated skills Covers 300+ AWS services and 15,000+ API actions through one tool	Developers whose coding agents build and manage applications on AWS.
Handwired	Free and open source	Yes	Transforms if-else, loops, and state into matrix multiplication and ReLU The weights are written by hand, so the net does not need training The whole program stays differentiable	Developers turning ordinary JavaScript into a differentiable net.
PdfCraft	Free and open source	Yes	Renders complex scripts, vertical CJK, emoji, and transparency Search a document and copy text in reading order Rotate, delete, insert, and reorder pages with undo	—
Notion	Freemium (free plan + paid tiers) Paid plans from $10 per member/month	Yes	Store notes, docs, and tasks in one workspace Search connected apps such as Slack and GitHub Agents complete multi-step tasks using workspace context	For individuals, small teams, growing businesses, and enterprises.
Redis	Freemium (free plan + paid tiers)	Yes	Sub-millisecond reads and writes for caching Event-driven messaging and data pipelines Persistent storage for application sessions	Developers building real-time apps and AI agents.
open_scion	Free and open source	Yes	Clients fetch single objects and sparse trees instead of a full clone Blame, path history, and code search run on the server Lands a change with compare-and-swap instead of a merge queue	Developers running source control for coding agents.
Astro	Free and open source	Yes	Renders components on the server and ships only needed JavaScript Loads content from the filesystem, an external API, or a CMS Organizes Markdown and MDX with TypeScript frontmatter checks	Developers building content-driven websites such as blogs, marketing sites, and e-commerce.
PostgreSQL	Free and open source	Yes	Open source object-relational database system Official documentation covers install and everyday use Numbered releases available to download, including beta previews	For people learning the system or running it for application workloads, including production.
PyPI	Free	Yes	Search and browse Python software packages Install packages shared by the Python community Upload and publish your own Python packages	Python developers who install community packages or publish their own software.
WordCraft	Free and open source	Yes	Opens and saves .docx, and also .odt, .rtf, .html, .md, .tex, and .txt Styles, tables, track changes, citations, and mail merge from CSV One Rust app for macOS, Windows, Linux, BSD, and the browser	People who want an open-source word processor, including agents that edit documents.
VoiceStudio	Freemium (free plan + paid tiers) Pro is $99 per user a year, or $299 once	Yes	Clones a voice from a three-second sample on your own machine Designs a voice from a written description Dubs video in up to 646 languages	People who want voice cloning, dubbing, and transcripts on their own computer.
Linear	Freemium (free plan + paid tiers) Paid plans from $10 per user/month, billed yearly	Yes	Turn chats and customer feedback into routed, labeled issues Plan work with initiatives, roadmaps, and up-to-date PRDs Assign issues to an agent that codes and opens pull requests	Product development teams that plan and build with people and AI agents.

Obsidian alternatives: FAQ

What are the best Obsidian alternatives?

DigUp, SkillSpector, Puter Everything, Agent Toolkit for AWS, Handwired, PdfCraft, Notion, Redis, open_scion, Astro, PostgreSQL, PyPI, WordCraft, VoiceStudio, Linear are the Obsidian alternatives in our directory that have researched data. They are ordered by how much you can use for free, then by documented features. No ratings or reviews are used, so the order is not a quality ranking.

Is there a free alternative to Obsidian?

DigUp (free and open source), SkillSpector (free and open source), Puter Everything (free and open source), Agent Toolkit for AWS (free), Handwired (free and open source), PdfCraft (free and open source), Notion (freemium (free plan + paid tiers)), Redis (freemium (free plan + paid tiers)), open_scion (free and open source), Astro (free and open source), PostgreSQL (free and open source), PyPI (free), WordCraft (free and open source), VoiceStudio (freemium (free plan + paid tiers)), Linear (freemium (free plan + paid tiers)). Free tiers can change, so check each site.