STORM - An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.
The Best opensource Alternatives in 2026
Looking for something like opensource? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 17 are open source.
Agentset is an open-source RAG platform with citations, research features, file-format support, and an MCP server.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | opensource | — | Yes | — |
| 2 | ragapp/ragapp | — | Yes | — |
| 3 | neuml/txtai | — | Yes | — |
| 4 | Extruct AI | — | Not stated | Web |
| 5 | Liner | — | Not stated | Web |
| 6 | Exa AI | — | Not stated | Web |
| 7 | Multi-agent Deep-research System | — | Not stated | Web |
| 8 | Graphlit | — | Not stated | Web |
| 9 | SocioSim | — | Not stated | Web |
| 10 | GoSearch | — | Not stated | Web |
All opensource alternatives
ragapp helps enterprises use retrieval augmented generation with AI agents.
txtai combines semantic search, language model orchestration, and AI workflow tools in one framework.
Extruct AI
extruct.aiExtruct provides a company research API that searches a curated company index or the live web and returns sourced answers.
Liner
liner.comLiner combines source-linked AI search, academic research, and writing tools for professionals.
Exa AI
exa.aiExa provides a search API for AI agents to retrieve real-time web data, support deep research, and access structured content.
Multi-agent Deep-research System
huggingface.co/spaces/Agents-MCP-Hackathon/mul…This system searches the web and analyzes information with AI agents to generate research reports.
Graphlit
graphlit.comGraphlit connects agents to data from services such as Slack, GitHub, and Jira through an API with semantic search.
SocioSim
sociosim.orgSocioSim gathers feedback on pricing, messaging, and initiatives through AI-driven audience surveys.
GoSearch
gosearch.aiGoSearch searches company applications and knowledge sources, then uses AI agents and workflows to answer questions and automate tasks.
This repository collects decision tree research papers with implementations.
BlockAGI provides a self hosted research agent inspired by AutoGPT for exploring topics.
This repository collects gradient boosting research papers with implementations.
This repository curates data mining research papers focused on fraud detection.
data-to-paper supports traceable AI driven scientific research from data.
GPT Researcher conducts deep research across data sources using large language models.
OpenLens AI provides a multimodal agent for conducting scientific research.
"Tips and tricks for working with Large Language Models like OpenAI's GPT-4".
TalkToPapers - namuan/dr-doc-search: Converse with book - Built with GPT-3
github.com/namuan/dr-doc-searchOpen sourcedr-doc-search lets users converse with a book in PDF form using GPT-3.
ASReview uses active learning techniques to support systematic literature review workflows.
A curated list of Monte Carlo tree search papers with implementations.
Automatic architecture search and hyperparameter optimization for PyTorch.
Gerev helps organizations search conversations, documents, and internal pages using AI, with hosted and self-hosted options.
MemFree combines AI search with a page generator in an open-source project hosted on GitHub.
Alternatives to similar tools
What is the best alternative to opensource?
Are there open-source alternatives to opensource?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
























