Alternatives
Self-hosted alternatives to DeepL
Projects in the registry that can run on your own hardware and serve at least one of the same use cases as DeepL.
- Source
- Registry relations over fetched repository records — the evidence sits on each repository page
- Verified
- Evidence not verified
- Confidence
- High
01How this list was built
- Compared against
- DeepL
- Delivery
- SaaS products
- Shared use cases
- Translation, Document Q&A, Marketing workflow
- Selection rule
- open source, or self-hostable, and shares a use case
- Candidates found
- 24
02Alternatives
AnythingLLM
Hybrid — hosted or self-hosted
Desktop and server application that turns a document set into a chat workspace, with per-workspace embeddings, multiple model back ends and a built-in vector store.
- Repository
- Mintplex-Labs/anything-llm
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
Chroma
Hybrid — hosted or self-hosted
Embedded and server-mode vector store with a small API surface, often used for prototypes and single-node retrieval before a larger engine is justified.
- Repository
- chroma-core/chroma
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
ComfyUI
Self-hosted projects
Node-based interface for image and video generation models, where a pipeline is an explicit graph that can be saved, versioned and re-run. Runs locally on your own GPU.
- Repository
- comfyanonymous/ComfyUI
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Marketing workflow
Dify
Hybrid — hosted or self-hosted
Platform for building LLM applications: visual workflow editor, retrieval pipelines, agent tools, prompt management and an API layer. Available self-hosted or as a managed cloud service.
- Repository
- langgenius/dify
- Stars
- 153,448
- Licence
- Other
- In stacks
- 1
Shares: Document qa · Marketing workflow
Docling
Libraries
Document conversion toolkit that parses PDF, Office and image files into structured Markdown or JSON, preserving reading order, tables and figures for downstream retrieval.
- Repository
- docling-project/docling
- Stars
- 65,519
- Licence
- MIT
- In stacks
- 4
Shares: Document qa
Flowise
Hybrid — hosted or self-hosted
Visual builder for LLM chains and agents, with retrieval nodes, tool calling and an API or embeddable chat widget for the finished flow.
- Repository
- FlowiseAI/Flowise
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
Kotaemon
Self-hosted projects
Document question-answering application with a configurable retrieval pipeline, inline citations that highlight the source passage, and support for local or hosted models.
- Repository
- Cinnamon/kotaemon
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
LangChain
Frameworks
Library for composing model calls, retrieval and tools into applications, with adapters for most providers and vector stores. A building block, not a deployable product.
- Repository
- langchain-ai/langchain
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
Langflow
Hybrid — hosted or self-hosted
Visual environment for composing LLM pipelines and agents from components, with export to a Python application or an API endpoint.
- Repository
- langflow-ai/langflow
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
LibreChat
Self-hosted projects
Self-hosted multi-model chat application with authentication, per-conversation model switching, plugins, file upload and an admin configuration file. Familiar interface for staff moving off consumer tools.
- Repository
- danny-avila/LibreChat
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
LlamaIndex
Frameworks
Data framework for retrieval applications: loaders for many document types, indexing and query pipelines, and evaluation helpers for retrieval quality.
- Repository
- run-llama/llama_index
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
LM Studio
Hybrid — hosted or self-hosted
Desktop application for downloading and running open-weight models locally, with a chat interface and a local OpenAI-compatible server. Windows, macOS and Linux.
- Repository
- none linked
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
Milvus
Hybrid — hosted or self-hosted
Distributed vector database designed for large collections, with several index types, GPU indexing options and a separated storage and compute architecture.
- Repository
- milvus-io/milvus
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
n8n
Hybrid — hosted or self-hosted
Workflow automation tool with several hundred integrations, branching logic, code steps and AI nodes. Can be self-hosted, which is why it appears in on-premise automation stacks.
- Repository
- n8n-io/n8n
- Stars
- 202,375
- Licence
- Other
- In stacks
- 4
Shares: Marketing workflow
Onyx
Hybrid — hosted or self-hosted
Open-source enterprise search and chat over company systems, with connectors to common SaaS tools, permission-aware indexing and a self-hosted deployment path.
- Repository
- onyx-dot-app/onyx
- Stars
- 31,754
- Licence
- Other
- In stacks
- 0
Shares: Document qa
Open WebUI
Self-hosted projects
Self-hosted chat interface for local and hosted models, with user accounts, groups, document upload and built-in retrieval. Runs in Docker against Ollama, vLLM or any OpenAI-compatible endpoint.
- Repository
- open-webui/open-webui
- Stars
- 149,870
- Licence
- Other
- In stacks
- 4
Shares: Document qa · Translation
PaddleOCR
Libraries
OCR toolkit with detection, recognition and layout models, including Chinese and other East Asian scripts, plus table and formula recognition. Runs offline on CPU or GPU.
- Repository
- PaddlePaddle/PaddleOCR
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Translation
pgvector
Libraries
PostgreSQL extension adding vector types and HNSW or IVFFlat indexes, so embeddings live in the same database and the same backup as the rest of the application data.
- Repository
- pgvector/pgvector
- Stars
- 22,735
- Licence
- Other
- In stacks
- 5
Shares: Document qa
PostgreSQL
Self-hosted projects
Relational database used here as the system of record for documents, metadata and job queues, and — with pgvector — for embeddings as well.
- Repository
- none linked
- Stars
- —
- Licence
- unknown
- In stacks
- 3
Shares: Document qa
Qdrant
Hybrid — hosted or self-hosted
Vector search engine written in Rust with payload filtering, hybrid search, quantisation and snapshots. Runs as a single container or a cluster, or as a managed cloud service.
- Repository
- qdrant/qdrant
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
RAGFlow
Self-hosted projects
Retrieval engine built around deep document parsing: layout-aware chunking of PDFs, tables and scans, citation-backed answers, and a visual pipeline for building knowledge bases.
- Repository
- infiniflow/ragflow
- Stars
- —
- Licence
- unknown
- In stacks
- 1
Shares: Document qa
Unstructured
Hybrid — hosted or self-hosted
Library and hosted API that partition documents of many formats into typed elements for indexing, with connectors to common storage systems and vector databases.
- Repository
- Unstructured-IO/unstructured
- Stars
- —
- Licence
- unknown
- In stacks
- 1
Shares: Document qa
Weaviate
Hybrid — hosted or self-hosted
Vector database with a schema model, hybrid keyword and vector search, and optional built-in vectorisation modules. Self-hosted or managed, single-tenant or multi-tenant collections.
- Repository
- weaviate/weaviate
- Stars
- —
- Licence
- unknown
- In stacks
- 0
Shares: Document qa
WhisperX
Libraries
Whisper-based transcription pipeline adding word-level timestamps, forced alignment and speaker diarisation. Runs locally on GPU for batch transcription of recordings.
- Repository
- m-bain/whisperX
- Stars
- —
- Licence
- unknown
- In stacks
- 1
Shares: Translation
03Repository facts
| Repository | Stars | Health |
|---|---|---|
| Mintplex-Labs/anything-llm | — | Health not measuredunknown |
| chroma-core/chroma | — | Health not measuredunknown |
| comfyanonymous/ComfyUI | — | Health not measuredunknown |
| langgenius/difyBuild Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack. | 153k | Maintenance 100%, Releases 80%, Contributors 50%, Issues 94%, Community 100%88 |
| docling-project/doclingGet your documents ready for gen AI | 66k | Maintenance 100%, Releases 100%, Contributors 50%, Issues 85%, Community 96%90 |
| FlowiseAI/Flowise | — | Health not measuredunknown |
| Cinnamon/kotaemon | — | Health not measuredunknown |
| langchain-ai/langchain | — | Health not measuredunknown |
| langflow-ai/langflow | — | Health not measuredunknown |
| danny-avila/LibreChat | — | Health not measuredunknown |
| run-llama/llama_index | — | Health not measuredunknown |
| milvus-io/milvus | — | Health not measuredunknown |
| n8n-io/n8nFair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations. | 202k | Maintenance 100%, Releases 100%, Contributors 50%, Issues 95%, Community 100%92 |
| onyx-dot-app/onyxOpen Source AI Platform - AI Chat with advanced features that works with every LLM | 32k | Maintenance 100%, Releases 100%, Contributors 50%, Issues 87%, Community 90%89 |
| open-webui/open-webuiUser-friendly AI Interface (Supports Ollama, OpenAI API, ...) | 150k | Maintenance 100%, Releases 80%, Contributors 50%, Issues 99%, Community 100%88 |
| PaddlePaddle/PaddleOCR | — | Health not measuredunknown |
| pgvector/pgvectorOpen-source vector similarity search for Postgres | 23k | Maintenance 100%, Releases 30%, Contributors 50%, Issues 99%, Community 87%75 |
| qdrant/qdrant | — | Health not measuredunknown |
| infiniflow/ragflow | — | Health not measuredunknown |
| Unstructured-IO/unstructured | — | Health not measuredunknown |
| weaviate/weaviate | — | Health not measuredunknown |
| m-bain/whisperX | — | Health not measuredunknown |
04Ask about your own case
Which alternative is right depends on how many people will use it, what the data is and what you can operate. Ask and the answer is researched for your organisation.