Apache Solr
Claim this toolEnterprise search with faceted, real-time, and distributed capabilities
Visit WebsiteThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Battle-tested
Biggest con
Complex setup
TL;DR - Apache Solr
- Apache Solr is an open-source, multi-modal search platform built on Apache Lucene, offering full-text, vector, and geospatial search capabilities.
- It is highly scalable, fault-tolerant, and reliable, featuring distributed indexing, replication, load-balanced querying, automated failover, and centralized configuration.
- Solr provides extensive features including advanced full-text search, near real-time indexing, a flexible plugin architecture, support for various data formats, and built-in security.
What is Apache Solr?
Available on: Web, Linux, macOS, Windows
Pros & Cons
Pros
- Battle-tested
- Highly scalable
- Rich features
Cons
- Complex setup
- Steep learning curve
Ratings Across the Web
Apache Solr holds an aggregate rating of 4.2 out of 5 from 40 reviews across G2 and Capterra, last checked March 19, 2026.
Ratings aggregated from independent review platforms. Learn more
Key Features
Pricing Plans
Pricing checked Aug 21, 2026
Open Source
Free
- Apache 2.0 license
- No licensing fees
- Self-hosted
- Community support
Is Apache Solr worth the price?
Apache Solr's pricing is exceptionally generous, as it is entirely open-source with a $0 price tag.
This makes it an incredibly fair and accessible option compared to proprietary solutions. It is best for organizations with strong in-house technical capabilities and a desire for maximum control.
Hidden Costs & Gotchas
Significant self-hosting infrastructure costs
Requires skilled developers for setup/maintenance
No official vendor support, only community
Time investment for configuration and optimization
How Apache Solr Compares to Competitors
Compared to proprietary solutions like Elastic Cloud, which can start from around $95/month for basic deployments, Apache Solr's $0 licensing fee is a massive advantage. Even managed Solr services from vendors like Lucidworks (Fusion) or SearchStax will incur significant costs, making the open-source Solr a much cheaper entry point for those willing to self-manage.
Reviews
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Across 40 verified user reviews on G2, Capterra
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