SideProject AI

Productivity

Best AI Toolbox supports Claude Opus 5 Alternatives in 2026

Not sold on AI Toolbox supports Claude Opus 5? We found 50 alternatives in the Productivity category — all vetted for indie hackers and solopreneurs.

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AI Toolbox supports Claude Opus 5

Chrome extension for organizing, searching, and chaining prompts across AI platforms.

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1

Generate client-ready proposals from briefs, then share tracked links and collect e-signatures

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AI proposal software for agencies and freelancers. Paste a brief, generate a client-ready proposal, share a tracked link, and collect e-signatures — in minutes.

Freemium
2

Practice job interviews with AI feedback tailored to your industry

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Practice job interviews with an AI coach that gives you real feedback. Industry-adaptive questions for tech, sales & nursing. Start free, no credit card required.

Freemium
3

Translate documents in Google Chat while preserving layout and formatting

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Translate any document with AI

Freemium
4

Accurate AI PDF to Markdown with layout detection, tables, and image support

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PDF to MD converter is an accurate AI pdf to markdown converter with layout detection, vision language models, tables, images, and large PDF support.

Paid
5

Turn scattered notes into a searchable, AI-connected knowledge graph

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A personal knowledge base that turns freeform notes into a semantically-connected, AI-augmented knowledge graph.

Freemium
6

Stress-test your startup idea with 6 AI models in 5 minutes

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6 AI models attack your startup idea: competitor map, 18-month financial model, GO/NO-GO verdict. $39 one-time. Report in ~5 minutes.

Paid
7

Visual canvas for exploring AI conversations across models and routing tasks cheaper

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Explore AI topics visually with Bonscape. Branch conversations on an infinite canvas, search the web from any chat, compare outputs across any model, and cut costs by routing tasks to cheaper AI. No linear threads. No lost context.

Freemium
8

Save and organize links, images, PDFs with private on-device AI sorting

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A personal library that lives on your Mac. Save links, images, and PDFs; on-device AI sorts them. Private by default, no account, nothing leaves. One-time $99.

Paid
9

Time-block planner for macOS with Claude AI scheduling

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Chunk is a time block planner for macOS with menu bar access, calendar sync, custom templates, notifications, and features designed to support ADHD focus.

Paid
10

Generate workday reports and time insights automatically from activity tracking

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Productivity with AI automatic time tracking. Generate workday logs and journals, and get insights like what takes most of your time.

Freemium
11

Local AI search and chat across your files with semantic understanding.

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Digger Solo: AI file explorer with semantic search, visual file maps, LLM chat with RAG, and duplicate detection for macOS and Windows. 100% local.

Freemium

We translate complex United States federal bills, new laws, and executive orders into plain English. Stay updated on the latest government actions.

Freemium
13

Agentic product management that synthesizes context and generates specs

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Ferrix is an agentic system for product management that synthesizes context, surfaces priorities, and generates specs, tickets, and release plans with human judgment

Paid
14

Generate a 17-section business blueprint from your idea in 90 minutes, stress-tested.

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Is your idea worth pursuing? Find out free — complete 17-section blueprint in 90 minutes. Market, competitors, financial model, kill conditions, and go-to-market for any business idea.

Free
15

Branch AI research into mind maps instead of linear chat logs

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A branching research workspace — ask once, branch forever. Get a structured AI answer split into sections, dive deeper into any of them, and watch every branch become a node on a live mind map.

Freemium
16

Free tool to verify legal citations

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This tool automatically verifies the accuracy of legal citations by checking them against official legal databases and reporting any formatting errors or invalid references. It helps legal professionals and students ensure citations comply with citation standards like Bluebook or ALWD before submission.

Free
17

AI-powered ideation and validation for hard science problems

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AI-powered inventing for hard science and engineering problems. Grounded Discovery Labs turns those efforts into Discovery Packs: ranked concepts, decisive tests, top risks, and build paths.

unknown
18

Build ATS-optimized resumes in minutes with AI keyword matching

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Build an ATS-friendly resume in 3 minutes with AI. Free to start. Tailored bullet points, professional templates, and an ATS checker that gets you past the bots and in front of real recruiters.

Freemium
19

Infinite canvas where AI agents collaborate with your team on projects

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Your project board is still a list. is.team is an infinite canvas where AI agents and your team plan, build, and ship together — visually. $16/mo flat for 15 people.

Paid
20

Translate PDFs, docs, and websites with side-by-side comparison across 5 engines

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ITransBook is a powerful desktop translator that combines Google, DeepL, OpenAI, Claude and DeepSeek. Instantly compare translations side-by-side while reading PDFs, Word docs, or browsing websites. Translate files in bulk while preserving original layout.

Freemium
21

One shared memory across ChatGPT, Claude, Gemini, and all your AI tools

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Inkfold gives power users and teams one shared memory across ChatGPT, Claude, Gemini, and every AI tool they pay for. Stop re-explaining yourself every time you switch. Smart, Private, or Incognito retention — your call.

Freemium
22

AI-native project management that auto-generates bonus tasks, exports to Jira

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AI-first project management that creates the work around work. Every ticket you create generates bonus tickets. Free, with Jira export.

Free
23

On-device AI clipboard actions for instant text/code assistance without data sharing

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Copy text, code, or an error. Press Cmd+Shift+V. Pick an action. Paste the result. On-device AI, no API keys, no cloud, no data leaving your Mac.

Free
24

AI agent continuously scans job boards and sends you top matches 24/7

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Your personal AI agent that scans job boards 24/7 and brings you top matches only.

Freemium
25

Convert messy unstructured data into clean CSV tables instantly

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Paste messy data from emails, PDFs, websites, documents, spreadsheets, or AI outputs and convert it into a clean structured table. Copy the result or download it as CSV.

Freemium
26

Convert notes and articles into smart flashcards with spaced repetition

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Mnestica turns notes, articles, and AI-generated flashcards into one durable memory system — with spaced repetition and on-demand repair tools for cards that keep failing.

Freemium
27

AI-assisted goals and performance tracking for teams and individuals

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A performance management platform that uses AI to help teams and individuals set, track, and measure goals with automated insights and feedback. The tool streamlines performance reviews and progress monitoring through intelligent analysis of goal achievement and team productivity.

Freemium
28

Automatically organize notes into tasks, events, and projects with AI tagging

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notaru is an AI-native productivity app. Write one line of plain language and notaru files it into Tasks, People, Events, Projects and a Journal — tagging people, projects and dates automatically, and linking it all together.

Freemium
29

Automatically organize Mac files offline with AI, no cloud or subscriptions

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OCDify is a privacy-first, offline AI file organizer for Mac. Automatically organize your Desktop and Downloads folder into custom categories — no cloud, no subscriptions. Free 30-day trial.

Freemium
30

Private AI workspace that answers questions across docs and recordings locally

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A private AI workspace that runs on your Mac. Drop documents and recordings, ask questions across all of them, and get cited answers — everything processed locally. Free to start. Used by founders, legal professionals, and students.

Freemium
31

Sort and merge client tax documents locally on your Mac or Windows in seconds

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Sort a client's tax PDFs into one ordered, merged filing in ~100s — 100% local on Mac or Windows. Nothing leaves your machine. Built for T4, RL-1, T4A, T5.

Free
32

Offline AI-powered image search and OCR for organizing your entire photo library

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PixFinder searches and organizes your entire image collection with OCR text recognition and AI visual search. 100% offline, private, free — for Windows 10+.

Free
33

Task, project, and CRM workspace—offline-first with custom AI integrations

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Tasks, projects, CRM, calendar, focus, and a visual canvas. One connected system, on your machine. One-time purchase. No subscription.

Paid
34

All-in-one dashboard: AI content writer, site auditor, visitor chatbot, and CRM

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One dashboard for content, SEO, analytics, AI assistant, and CRM — all connected. AI writes your content, answers your visitors, audits your site, and tells you what to work on next.

Paid
35

Semantic search across Gmail, Confluence, GitHub and 6+ other tools in one query

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Semantic search that unifies your scattered knowledge across GitHub, Confluence, Slack, Google Drive, Notion, and more. One search. Every answer.

Freemium
36

Local-first AI desktop app that journals your work and answers questions about it

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Reyn is a privacy-first desktop AI for Mac that watches your screen, builds a private journal of your work, and answers questions about your week — without sending your data to the cloud.

Freemium
37

Generate legally-binding NDAs and contracts in minutes, not weeks

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AI-powered legal document generation, execution, and verification. Generate court-admissible NDAs, contracts, and agreements with cryptographic execution certificates.

Paid

SitApp uses on-device AI to monitor your posture and nudge you when you slouch. Free for Mac, Windows, and Linux. 100% private — nothing leaves your computer.

Freemium
39

Private, customizable AI reading assistant for your browser

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A private AI reading assistant for Chrome that processes pages as you browse, with customizable reading recipes, local models, and no sign-up.

Free
40

Play AI-generated HTML presentations instantly, shareable via link

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Paste the HTML your AI wrote and it plays as a real presentation — shared with one link, no download, no sign-in.

Free
41

Turn product ideas into dev-ready specs with AI clarity

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Speq turns your product idea into a comprehensive, dev-ready specification so you ship with clarity, quality, and speed.

Freemium
42

AI agents manage tasks natively, no UI friction or bypasses needed.

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Tokanban is agent-first task management for software teams using AI coding agents like Claude Code, Codex CLI, OpenCode, Cursor, and custom MCP clients. Manage tasks through MCP, REST API, and CLI with audit trails, scoped agent keys, and durable write guarantees.

Freemium
43

Rank 300 resumes in minutes with AI screening and auto-building CRM

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Rank 300 resumes in minutes. Your CRM builds itself as you work. AI ranking + self-building recruiter CRM — no contract, no subscription, pay per job.

Paid
44

Save articles and notes, AI connects your ideas into a searchable knowledge base.

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Your personal knowledge base. Save articles, papers, and notes. AI connects your ideas. Remember what matters.

Freemium
45

All-in-one ops hub: tasks, CRM, docs, finance with live AI forecasting

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Zetadeck is a startup operations center: tasks, CRM, docs, and finance on one shared data spine, so your pipeline and runway are live instead of a stale spreadsheet, with no data drift and an AI co-pilot that works from your real numbers. Free for up to 3 people.

Freemium
46

Score job candidates with CV-cited evidence in defensible hiring docs

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Compare candidates on six evidence-cited dimensions and produce a defensible hiring document — written, signed, filed. Free to try, no card.

Freemium
47

Local-first bookkeeping built for AI agents to manage finances

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For small businesses, where AI agents post, reconcile, and organize real bookkeeping work.

Freemium
48

Offline voice transcription with AI agent support across Windows, Mac, Linux.

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A cross-platform voice transcription application that processes audio locally on Windows, Mac, and Linux devices without sending data to external servers, with integrated AI agent capabilities. The tool prioritizes user privacy by keeping transcription processing entirely offline on the user's device.

Freemium
49

Fast, accurate voice-to-text for emails, documents, and messaging

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Fast, accurate voice dictation for emails, documents, Cursor, note-taking, and messaging. Turn speech to text seamlessly, edit automatically, and stay secure with privacy. Boost productivity with context-aware AI and custom dictionaries. Get Willow Voice!

Free
50

Local AI agent that monitors your screen and automates repetitive tasks

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A fully local personal agent that watches your screen.

Free

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