1.VectifyAI / PageIndex
📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
+5,214 stars
from 34,727 · score 8.56
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Ranked by Attention Score: stars gained over the last 90 complete days
12 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.onyx-dot-app / onyx
Open Source AI Platform - AI Chat with advanced features that works with every LLM
+1,985 stars
from 31,167 · score 7.59
3.deepset-ai / haystack
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
+891 stars
from 26,011 · score 6.79
4.JaidedAI / EasyOCR
Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.
+347 stars
from 29,777 · score 5.85
5.FlagOpen / FlagEmbedding
Retrieval and Retrieval-augmented LLMs
+320 stars
from 11,972 · score 5.77
6.neuml / txtai
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
+306 stars
from 12,752 · score 5.73
7.arc53 / DocsGPT
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
+225 stars
from 18,127 · score 5.42
8.piskvorky / gensim
Topic Modelling for Humans
+62 stars
from 16,446 · score 4.14
9.naiveHobo / InvoiceNet
Deep neural network to extract intelligent information from invoice documents.
+12 stars
from 2,688 · score 2.56
10.catalyst-team / catalyst
Accelerated deep learning R&D
+10 stars
from 3,378 · score 2.40
11.allegro / allRank
allRank is a framework for training learning-to-rank neural models based on PyTorch.
+6 stars
from 1,007 · score 1.95
12.tensorflow / rankingArchived
Learning to Rank in TensorFlow
+5 stars
from 2,767 · score 1.79