All alternatives

Open source alternatives to Perplexity

Compare open source projects that can replace or complement this product.

11 projects
Open WebUI icon

Open WebUI

Open

A customizable interface for AI that works offline, supporting Ollama and OpenAI-compatible APIs while adapting to your specific workflow needs.

02/07/2026
20,798
144,044
AnythingLLM icon

AnythingLLM

Open

Use any LLM to chat with your documents, enhance your productivity, and run the latest state-of-the-art LLMs completely privately with no technical setup.

03/07/2026
6,832
62,525
LibreChat icon

LibreChat

Open

Free, open source AI chat platform compatible with any AI provider. Offers a wide range of features, including agents, code interpreter, and multimodal capabilities.

03/07/2026
8,248
40,219
Khoj icon

Khoj

Open

An open-source personal AI application that helps you find answers, understand documents, and create new content with ease.

24/06/2026
2,281
35,459
Letta icon

Letta

Open

Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.

26/06/2026
2,503
23,636
SurfSense icon

SurfSense

Open

AI-powered research assistant that integrates with Notion, GitHub, Slack and more. Chat with documents, generate podcasts, perform hybrid search across your knowledge base.

03/07/2026
1,456
15,176
featul icon

featul

Ad

Collect feedback, plan with roadmaps, and share updates all in a simple, privacy-first platform.

Visit featul
Scira icon

Scira

Open

Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.

20/03/2026
1,477
11,745
Morphic icon

Morphic

Open

Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.

01/07/2026
2,340
8,953
Fullmoon icon

Fullmoon

Open

A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.

05/05/2025
221
2,258
LLMChat icon

LLMChat

Open

Privacy-focused open-source platform offering deep research capabilities, multi-model support, and customizable AI workflows for enhanced productivity.

14/05/2025
201
1,069
VT Chat icon

VT Chat

A production-ready, privacy-focused AI chat application delivering AI capabilities through a dual-tier subscription system. Built with modern web technologies and a privacy-first architecture.

23/06/2026
11
52