AI · alternatives · 2026
24 alternatives to useStacks
PDFviewer, Notes, and AI assistance in one focused workspace
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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tabOS▲118All-in-one dashboards for tabs, notes, AI chats, and more
2024 · tabos.cloud · its alternatives →
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TabAI▲317Сollects your tasks from everywhere and keeps you focused
Feb 2026 · tabai.dev · its alternatives →
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Phew AI Tab▲313Manage tabs with AI grouping and spaces in a sidebar
2024 · phewtab.com · its alternatives →
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Peek▲404Hey HN, My cofounder and I have gotten tired of CC ignoring our markdown files so we spent 4 days and built a plugin that automatically steers CC based on our previous sessions. The problem is usually post plan-mode. What we've tried: Heavily use plan mode (works great) CLAUDE.md, AGENTS.md, MEMORY.md Local context folder (upkeep is a pain) Cursor rules (for Cursor) claude-mem (OSS) -> does session continuity, not steering We use fusion search to find your CC steering corrections. - user prompt embeddings + bm25 - correction embeddings + bm25 - time decay - target query embeddings -…
2024 · gopeek.ai · its alternatives →
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Turn tabs into automated workflows and tasks
Dec 2025 · joindex.com · its alternatives →
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there▲233The AI word editor — notes, docs, emails & tracking with AI
2025 · there.do · its alternatives →
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Free PDF tools, merge, split, compress, compress, rotate etc
2023 · pdf.ai · its alternatives →
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NoteTabs▲129Native macOS text editor with horizontal tabs & auto-restore
Jan 2026 · notetabs.azurewebsites.net · its alternatives →
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Portals▲128I'm building a workspace for doing focus work while also managing constant multi-tasking and context-switching that's required in a lot of roles. Currently this is done by using a notes system where we can split-screen AI chat, an object-based data table system for tracking entities, as well as viewing other documents. We can define agents directly from documents by giving instructions in plain language and then defining the trigger conditions. This helps automate workflows directly in the place where we're reading and writing content. I'm continuing to experiment with instructions and…
2025 · useportals.dev · its alternatives →
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ArkTabs▲111Spotlight style tab manager with fuzzy search & live preview
Dec 2025 · nabeelhashmi.com · its alternatives →
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SurfBuddy▲70AI sidebar companions for cross-app workflows and automation
May 2026 · surfbuddy.ai · its alternatives →
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Productivity Tool & Tab Manager that Understands Context
Jul 2026 · chromewebstore.google.com · its alternatives →
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An awesome solution for those with too many Chrome tabs open
2014 · tabsoutliner.com · its alternatives →
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Save all your open tabs without having to bookmark them!
2017 · chromewebstore.google.com · its alternatives →
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The AI document workspace that works fully offline
May 2026 · play.google.com · its alternatives →
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PDF Interact▲20Interact with your PDFs and uncover insights in seconds.
2025 · pdf-interact.live · its alternatives →
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6 focused AI tools for study, career, biz, content & money
Jul 2026 · smartpixelstudio24.gumroad.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →