Agentset is an open-source RAG platform with citations, research features, file-format support, and an MCP server.
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, 1 are free or have a free plan and 18 are open source.
STORM - An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | opensource | — | Yes | — |
| 2 | ragapp/ragapp | — | Yes | — |
| 3 | brexhq/prompt-engineering | — | Yes | — |
| 4 | BlockAGI | — | Yes | — |
| 5 | neuml/txtai | — | Yes | — |
| 6 | Awesome Fraud Detection Papers | — | Yes | — |
| 7 | data-to-paper | — | Yes | — |
| 8 | GPT Researcher | — | Yes | — |
| 9 | OpenLens AI | — | Yes | — |
| 10 | TalkToPapers - namuan/dr-doc-search: Converse with book - Built with GPT-3 | — | Yes | Windows |
All opensource alternatives
ragapp helps enterprises use retrieval augmented generation with AI agents.
"Tips and tricks for working with Large Language Models like OpenAI's GPT-4".
BlockAGI provides a self hosted research agent inspired by AutoGPT for exploring topics.
txtai combines semantic search, language model orchestration, and AI workflow tools in one framework.
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.
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.
Marqo describes its project as ecommerce search and discovery software.
Microsoft Recommenders collects best practices for recommendation systems.
dssjon/biblos: biblos.app
github.com/dssjon/biblosBiblos supports semantic Bible search and layered analysis through a GitHub project.
BeeSift turns webpages and articles into goal-aligned bullet points, helping readers focus on information relevant to their goals.
Chroma
trychroma.comChroma provides open source search infrastructure for AI applications.
MediaWiki Code2Code Search
code2codesearch.toolforge.orgMediaWiki Code2Code Search uses semantic retrieval to find functions, types and templates across MediaWiki source code.
This repository collects decision tree research papers with implementations.
This repository collects gradient boosting research papers with implementations.
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.
Osum
osum.comOsum generates competitive research reports with SWOT analysis, buyer personas, and growth opportunities for businesses and products.
Gerev helps organizations search conversations, documents, and internal pages using AI, with hosted and self-hosted options.
Alternatives to similar tools
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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
























