Best AI Personal Assistant Software Tools

Explore leading tools in the AI Personal Assistant Software category, including open-source options and SaaS products. Compare features, use cases, and find the best fit for your workflow.

20+ open-source projects · 7 SaaS products

Top open-source AI Personal Assistant Software

These projects are active, self-hostable choices for knowledge management teams evaluating alternatives to SaaS tools.

View all 20+ open-source options
Open WebUI logo

Open WebUI

Self‑hosted AI platform with offline LLM, RAG, and extensible UI

Stars
116,761
License
Unknown
Last commit
3 days ago
SvelteActive
NextChat logo

NextChat

Lightweight AI assistant supporting Claude, GPT-4, and Gemini

Stars
86,568
License
MIT
Last commit
1 month ago
TypeScriptActive
Lobe Chat logo

Lobe Chat

Modern ChatGPT/LLM UI with multi-modal support and plugins

Stars
68,451
License
Unknown
Last commit
3 days ago
TypeScriptActive
Jan logo

Jan

Run ChatGPT-style AI models locally with complete privacy

Stars
39,560
License
Unknown
Last commit
3 days ago
TypeScriptActive
Most starred project
116,761★

Self‑hosted AI platform with offline LLM, RAG, and extensible UI

Recently updated
3 days ago

Refly.AI provides a multi‑threaded, multimodal environment where teams can orchestrate AI agents, integrate dozens of models, and manage knowledge bases for rapid prototyping, research, and content creation.

Dominant language
TypeScript • 10+ projects

Expect a strong TypeScript presence among maintained projects.

Popular SaaS Platforms to Replace

Understand the commercial incumbents teams migrate from and how many open-source alternatives exist for each product.

View all 7 SaaS options
ChatGPT logo

ChatGPT

AI conversational assistant for answering questions, writing, and coding help

AI Personal Assistant Software
Alternatives tracked
19 alternatives
Claude logo

Claude

AI conversational assistant for reasoning, writing, and coding

AI Personal Assistant Software
Alternatives tracked
19 alternatives
Grok logo

Grok

AI assistant and chatbot by xAI with real-time information access

AI Personal Assistant Software
Alternatives tracked
Not yet mapped
Manus logo

Manus

General purpose AI agent for automating complex tasks

AI Personal Assistant Software
Alternatives tracked
19 alternatives
Perplexity logo

Perplexity

AI-powered search engine and research assistant with cited sources

AI Personal Assistant Software
Alternatives tracked
19 alternatives
Perplexity Comet logo

Perplexity Comet

AI-powered browser with conversational interface

AI Personal Assistant Software
Alternatives tracked
1 alternative
Most compared product
10+ open-source alternatives

ChatGPT is an AI assistant that understands prompts and generates natural‑language responses. It helps with tasks like drafting content, explaining concepts, and code assistance, and is available via web and mobile apps.

Leading hosted platforms

Frequently replaced when teams want private deployments and lower TCO.

Explore related categories

Browse neighbouring categories in Applications to widen your evaluation.