Best Alternatives to Thread in 2025
Thread is an AI-powered journal and second brain app that helps you capture thoughts, ideas, notes, and voice recordings. It automatically connects related memories, surfaces patterns in your thinking, and turns scattered ideas into meaningful, actionable threads. While Thread offers a unique AI-driven approach to personal knowledge management, there are several other excellent alternatives that might better suit your workflow. Here are the best alternatives to Thread, each with its own strengths and unique features.
Obsidian
A versatile writing app tailored to your thinking
Obsidian is a powerful knowledge base that works on local Markdown files. It offers extensive linking and graph view features, allowing you to visualize connections between notes. With a vast plugin ecosystem, Obsidian is highly customizable and ideal for users who want full control over their data and a non-AI, manual approach to linking ideas.
Notion
The all‑in‑one workspace
Notion is an all-in-one workspace that combines note-taking, task management, databases, and wikis. It's highly flexible and collaborative, making it great for both personal and team use. While it lacks Thread's AI-driven automatic connections, Notion's relational databases and templates allow you to manually create a second brain tailored to your needs.
Reflect
Data visualization as a service
Reflect is a networked note-taking app that emphasizes backlinks and daily notes. It uses AI to help with note-taking and recall, similar to Thread. Reflect's clean interface and focus on bidirectional linking make it a strong alternative for those who want AI assistance without the journaling-specific focus.
Roam Research
Roam Research pioneered the bidirectional linking and networked thought approach. It's designed for researchers and thinkers who want to build a web of interconnected notes. While it doesn't have Thread's AI features, Roam's powerful querying and block references make it a favorite for building a second brain.
Logseq
Open source knowledge management
Logseq is an open-source, privacy-first platform that combines note-taking, task management, and knowledge graphs. It supports both Markdown and Org-mode, and offers bidirectional linking and block references. Logseq is a great alternative for users who want a local-first, community-driven tool with a focus on outlining and daily notes.
Mem
Mem is an AI-powered note-taking app that automatically organizes and connects your notes. It uses machine learning to surface relevant information and reduce manual organization. Mem's focus on AI-driven connections makes it the closest alternative to Thread, especially for those who want a seamless capture-to-insight workflow.
Craft
Craft is a document-based note-taking app that offers a beautiful, block-based editor. It supports rich media, collaboration, and has a strong focus on visual appeal. While it lacks advanced AI, Craft's ease of use and integration with Apple ecosystems make it a great choice for users who prioritize design and simplicity.
Thread stands out for its AI-powered automatic connections and journaling focus, but the best alternative depends on your specific needs. If you want a local, customizable knowledge base, Obsidian or Logseq are excellent. For an all-in-one workspace, Notion is unbeatable. If you prefer AI-driven note-taking, Reflect or Mem are strong contenders. Roam Research and Logseq cater to networked thought enthusiasts, while Craft offers a polished, design-centric experience. Evaluate each based on your workflow, privacy preferences, and desired level of AI assistance to find your perfect second brain.