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Questa.AI

Open source alternatives to Questa.AI

50 open source AI apps to use instead, best rated first.

Top picks

  1. O

    Open WebUI

    Launch

    Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

    Open sourceSelf-hosted

  2. A

    AutoGPT

    Launch

    Platform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.

    Open source

  3. P

    pi

    Launch

    Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.

    Open source

  4. A

    AFFiNE

    Launch

    An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.

    Open source

  5. A

    aider

    Launch

    Terminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.

    Open source

  6. A

    AppFlowy

    Launch

    Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.

    Open source

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Cherry Studio

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Cline

AI Coding, Open Source and Open Choice

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Crawl4AI

Open-source web crawler and scraper

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10
E

ego lite

Fastest browser for AI agents

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11
F

FastGPT

FastGPT is a free, open-source platform

Launch
12
J

Jan

Jan runs open-source AI models on your own hardware or connects

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13
K

Keploy

Open source Tool for converting user traffic to Test Cases and Data Stubs

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14
L

Langflow

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers

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15
L

LibreChat

LibreChat is a free and open-source chat interface for assistant AIs

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16
L

LiteLLM

Acts as a unified proxy across 100+ LLMs

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17
L

llama.cpp

C/C++ inference engine for large language models, supporting quantization

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18
L

LobeHub

An open-source AI Agent Workspace

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19
N

NanoClaw

Self-hosted AI agent that connects to WhatsApp, Telegram, Slack

Launch
20
O

Ollama

Load and run large LLMs locally to use in your terminal or build your apps

Launch
21
O

OpenClaw

Open-source personal AI assistant / agent framework

Launch
22
O

OpenCode

Open-source terminal-native AI coding agent

Launch
23
O

OpenHands

AI agent platform that runs autonomous coding agents to plan, write

Launch
24
O

Orca

Agent Development Environment that runs Claude Code, Codex, Gemini

Launch
25
P

Paperclip

Manages teams of AI agents across business functions

Launch
26
P

Phoenix

Arize Phoenix: Open Source AI Development Platform

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27
P

Portkey

Full-stack LLMOps platform to monitor, manage, and improve LLM-based apps

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28
T

Tabby

Self-hosted AI coding assistant that enhances productivity

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29
V

vLLM

Inference and serving engine for large language models, built

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30
W

Warp

Terminal built for running AI coding agents like Claude Code, Codex

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31
Z

Zed

Your last next editor

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32
U

Unsloth

Local UI to run and train LLMs and diffusion models

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33
T

Theia IDE

An extensible open-source IDE

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34
P

PhotoPrism

AI-Powered Photos App

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35
E

ECC

The agent harness performance optimization system

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36
G

Graphify

Turn any codebase, with its docs, SQL schemas, configs, and PDFs

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37
C

Codex

Lightweight coding agent that runs in your terminal

Launch
38
U

Upscayl

Free and Open Source AI Image Upscaler

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39
C

Chatbox AI

Chatbox AI enables chat with documents, images

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40
F

Folo

Folo is the AI RSS Reader

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41
N

Netron

Visualizer for neural network and machine learning models

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42
G

Gorilla

Training and Evaluating LLMs for Function Calls (Tool Calls)

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43
S

Strix

Open-source AI penetration testing tool to find

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44
C

CC Switch

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode

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45
1

1Panel

Comprehensive web-based tool for Linux server administration

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46
A

Agno

Open-source platform that enables developers to create

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47
A

AnythingLLM

A desktop and self-hostable AI app for chatting

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48
B

Buzz

Workspace that combines team chat, project planning, and git management

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49
C

Chat2DB

DBMS 、BI 、Report 、 NL2SQL、NL2Report

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Chroma

Open-source vector database designed for AI applications

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About Questa.AI

Q

Questa.AI

Questa.AI is a privacy-focused AI agent

Questa Safe AI provides LLM powered fast analysis of business files without sharing confidential data in those files with LLM companies for AI training on your data. We anonymize (redact) personal and confidential information either on cloud or locally on your server before you choose models like GPT-5 or Claude to analyze.

View Questa.AIAll AI apps
Price
Freemium
Category
AI
Website
questa-ai.com