Self-hosted Search & Indexing Engines tools

Meilisearch is a lightning-fast search engine API for apps and websites, offering typo-tolerant full-text search plus vector and AI-ready hybrid retrieval.

Actively maintained

Alternative to:

Algolia+16

SearXNG is a privacy-respecting metasearch engine that aggregates results from many search services without tracking or profiling users.

AGPL-3.0Actively maintained

Alternative to:

Google Search+6

Open-source platform for AI chat, RAG, agents, and enterprise search across your team’s connected knowledge sources, compatible with hosted and local LLMs.

Actively maintained

Alternative to:

Onyx+19

Self-hosted tool to collect and preserve webpages, media, and bookmarks in durable formats (HTML, PDF, WARC, MP4) with a CLI, web UI, and search.

MITActively maintained

Alternative to:

Internet Archive Wayback Machine+3

Typesense is a developer-friendly search engine for instant, typo-tolerant search-as-you-type with faceting, filtering, geo search, and vector/semantic search APIs.

GPL-3.0Actively maintained

Alternative to:

Algolia+19

ZincSearch is a Go-based, lightweight search engine for full-text indexing with Elasticsearch API-compatible ingestion, a Vue UI, and a schema-less document model.

Actively maintained

Alternative to:

Elastic Cloud (Elasticsearch Service)+7

OpenSearch is an Apache 2.0 open source distributed search and analytics engine for indexing, querying, and analyzing large-scale data with REST APIs.

Apache-2.0Actively maintained

Alternative to:

Amazon OpenSearch Service+19

Manticore Search is a fast open-source search database for full-text, faceted, and vector search with SQL (MySQL protocol) and HTTP JSON APIs.

GPL-3.0Actively maintained

Alternative to:

Manticore Search+15

Whoogle Search is a self-hosted, ad-free and privacy-respecting search frontend that removes tracking, ads, AMP links, and other clutter from Google results.

MITActively maintained

Alternative to:

Google Search+5

Open-source cloud-native search engine for observability data on object storage with an Elasticsearch/OpenSearch-compatible API.

Apache-2.0Actively maintained

Alternative to:

Splunk+5

OSRM is a high-performance routing engine for OpenStreetMap data, providing an HTTP API for routing, map matching, distance tables, and more.

BSD-2-ClauseActively maintained

Alternative to:

Mapbox+1

GraphHopper is an open source routing engine for OpenStreetMap, providing fast route calculation, turn-by-turn instructions, isochrones, and map matching via Java or HTTP APIs.

Apache-2.0Actively maintained

Alternative to:

Mapbox+1

Nominatim provides geocoding (name/address → coordinates) and reverse geocoding (coordinates → address) powered by OpenStreetMap, with import tooling and a public API.

GPL-3.0Actively maintained

Alternative to:

Mapbox+1

bitmagnet is a self-hosted BitTorrent indexer that crawls the DHT, classifies torrent metadata, and provides search via a web UI, GraphQL API, and Torznab for Servarr.

MITActively maintained

Alternative to:

Bitsearch+1

YaCy is a self-hostable search engine with crawler and indexing, supporting decentralized P2P search, standalone search portals, and intranet/file search.

Actively maintained

Alternative to:

Swiftype+13

MIT-licensed core of Shopware 6: an API-first, Symfony-based commerce platform with Vue storefront, visual page builder, extensibility and multi-channel support.

MITActively maintained

Alternative to:

Shopify+8

Aleph indexes documents and structured datasets to enable fast search, entity extraction, and cross-referencing for investigative research and OSINT workflows.

MITSlowing down

Alternative to:

Glean+6

Self-hosted email archiving platform for ingesting, storing, indexing and searching emails from Gmail, Microsoft 365, IMAP, PST and more.

AGPL-3.0Actively maintained

Alternative to:

MailStore Server+4

Diskover indexes file systems with Elasticsearch to provide fast file search, metadata analytics, and storage visibility across on-prem, NAS, and cloud storage.

Apache-2.0Slowing down

Alternative to:

Dell EMC DataIQ+16

Scalable enterprise search platform supporting full-text, vector, faceted and geospatial search with SolrCloud clustering and a web admin UI.

Apache-2.0Actively maintained

Alternative to:

Algolia+18

sist2 is a fast, low-memory file system indexer with a web UI for searching file contents and metadata, with Elasticsearch or SQLite backends.

GPL-3.0Actively maintained

Alternative to:

Elastic Cloud (Elasticsearch Service)+7

Websurfx is a self-hostable meta search engine in Rust that aggregates results from multiple sources with a modern UI, caching, filtering, and privacy-focused defaults.

AGPL-3.0Actively maintained

Alternative to:

Google Search+6

Fess is an open-source enterprise search server with a built-in crawler, web-based administration, and OpenSearch/Elasticsearch-backed full-text search.

Apache-2.0Actively maintained

Alternative to:

Glean+9

Self-hosted meme search engine that indexes images with local AI captions and vector embeddings for fast semantic and keyword search, tagging, and filtering.

Apache-2.0Actively maintained

Alternative to:

Google Photos+5

Para is an open-source, Java-based multitenant backend framework providing a RESTful JSON API, full-text search, distributed caching, and flexible authentication for web, mobile, IoT and prototype apps.

Apache-2.0Actively maintained

Alternative to:

Firebase+8

Sosse is a Selenium-powered open-source web crawler and search engine for archiving, indexing, and monitoring dynamic websites.

AGPL-3.0Actively maintained

Alternative to:

Internet Archive Wayback Machine+8

Open-source repository engine from the Samvera community for building institutional digital repositories with flexible metadata, workflows, and search integration.

Apache-2.0Actively maintained

Alternative to:

DSPACE Direct+19