Best HARPA AI Alternatives in 2026
HARPA AI — A Chrome extension that brings GPT, Claude, Gemini, Perplexity and more into every web page to automate research, writing and email. If it does not fit your workflow, budget, or platform, these 24 tools cover similar use cases in ai browser extensions, ai workflow automation, ai agents. They are ranked by how closely their categories overlap with HARPA AI.
HARPA AI alternatives compared
| Tool | What it does | Pricing | Platforms |
|---|---|---|---|
| HARPA AI (original) | A Chrome extension that brings GPT, Claude, Gemini, Perplexity and more into every web page to automate research, writing and email. | Freemium | Browser Extension |
| Manus | The AI action engine that executes tasks, automates workflows, and builds apps—not just answers questions. | Freemium | Web, iOS, Android |
| Lindy | The AI teammate that connects to your tools and automates real work across your company. | Freemium | Web |
| ClickUp | The all-in-one work platform that combines projects, docs, chat, and AI agents to replace scattered software. | Freemium | Web, iOS, Android, Desktop |
| Clay | GTM infrastructure that enriches data, runs AI research agents, and automates outbound at scale | Freemium | Web |
| Apollo.io | The AI-powered GTM platform combining a 240M+ contact database with sales engagement and automation. | Freemium | Web, Browser Extension |
| Gumloop | A multiplayer AI agent builder that lets any team member automate work with any AI model and integration, under IT-controlled access. | Freemium | Web |
| Relay.app | Relay.app was an AI-powered workflow automation platform for teams — the service has permanently shut down as of September 2026. | Paid | Web |
| n8n | The fair-code workflow automation platform that lets technical teams build AI agents and integrations with code-level flexibility. | Freemium | Web, Desktop |
| Make | Visual, no-code platform for building and scaling AI-powered workflow automations across thousands of apps. | Freemium | Web |
| Zapier | Connect 9,000+ apps and orchestrate AI-powered workflows and agents without writing code. | Freemium | Web, iOS, Android |
| Monica | An all-in-one AI assistant bringing GPT, Claude, and Gemini models to chat, search, writing, image and video creation in one browser extension and app. | Freemium | Web, iOS, Android, Desktop, Browser Extension |
| Taskade | Turn a single prompt into a live AI app with agents, automations, and a working dashboard. | Freemium | Web, iOS, Android |
| Motion | AI-powered task, project, and calendar management that auto-schedules your work and replaces a stack of separate productivity tools. | Freemium | Web, iOS, Android |
| Reclaim | AI-powered calendar that auto-schedules tasks, habits, meetings, and focus time to free up 40% more time. | Freemium | Web, iOS, Android, Browser Extension |
| Mem | An AI chief of staff that captures notes, tracks tasks, and surfaces context so you don't have to organize anything manually. | Freemium | Web, Desktop |
| Hex | Agentic data notebooks that turn SQL, Python, and AI chat into shareable dashboards and apps. | Freemium | Web |
| Final Round AI | Real-time AI interview assistant that listens, coaches, and debriefs across every stage of the job interview loop. | Freemium | Web, Desktop |
| GPTZero | AI content detector that scans text for ChatGPT, GPT-6, and Gemini-generated writing, plus plagiarism and writing-process checks. | Freemium | Web, Browser Extension |
| Lavender | AI email coach and sales agent that helps reps write better, more personalized emails and get more replies. | Freemium | Web |
| Gong | AI-powered revenue platform that captures every customer interaction to help sales teams close more deals and predict pipeline risk. | Paid | Web, iOS, Android |
| Fin by Intercom | The AI Customer Agent that resolves support and sales conversations across every channel, with usage-based pricing tied to outcomes. | Paid | Web |
| Chatbase | AI customer support agents that resolve tickets, sync with your systems, and deploy across every channel. | Freemium | Web |
| LangChain | An open agent engineering platform for building, governing, and scaling LLM-powered applications and agents. | Freemium | Web, Desktop |
| Devin | The autonomous AI software engineer that plans, codes, tests, and ships pull requests in the cloud or on your machine. | Freemium | Web, Desktop |
