Reviews for OpenSearch
Login to ReviewEmma Hall
Mar 19, 2026A Truly Open and Capable Search Solution
As a developer who was concerned about licensing changes in other search platforms, OpenSearch has been a fantastic find. It's as powerful as the engine it's based on, with the crucial benefit of a genuine open-source Apache 2.0 license. The setup was straightforward, and the familiar RESTful APIs made migrating our existing search and analytics features incredibly smooth.
Anna Miller
Mar 19, 2026A Solid Open-Source Search Solution for Modern Applications
After migrating from Elasticsearch to OpenSearch for our internal analytics platform, we've been very satisfied. The API compatibility made the transition nearly seamless, and the Apache 2.0 licensing gives us peace of mind for future scaling. The performance has been reliable under heavy query loads, and the active community provides helpful resources when needed.
River Taylor
Mar 18, 2026A powerful, open-source search engine, but the path has been rough.
OpenSearch delivers as a powerful, scalable search and analytics engine. The open-source, Apache 2.0-licensed core is a major advantage, providing a robust and free alternative. However, the initial set up and configuration has a steep learning curve, and the early 1.x releases had some stability and documentation gaps. The move from Elastic's codebase has been a bit of a bumpy road.
Anna Walker
Mar 16, 2026A reliable open-source search solution that just works
We migrated from Elasticsearch to OpenSearch after licensing changes and have been pleasantly surprised. The RESTful APIs are identical to what we were using before, so our existing search applications required minimal adjustments. It handles our analytics workloads efficiently, and being Apache 2.0 licensed gives us long-term peace of mind.
Casey Thomas
Mar 16, 2026A solid fork with community promise, but still playing catch-up
As someone who migrated from Elasticsearch, I appreciate the Apache 2.0 license and the commitment to staying truly open source. The REST APIs are familiar and work well for basic search and analytics. However, the ecosystem of plugins and integrations still lags behind Elastic's, and some advanced features I relied on are missing or less polished. For new projects it's worth considering, but existing Elasticsearch users should plan their migration carefully.
Skyler Wright
Mar 15, 2026A Reliable and Truly Open Search Solution
As a developer migrating from Elasticsearch, OpenSearch has been a seamless and excellent choice. The familiar RESTful APIs made integration straightforward, and its Apache 2.0 license gives us the freedom to use and modify it without legal concerns. It's proven stable and performant for our application logs and product search features.
Liam Lee
Mar 14, 2026A Reliable and Open Search Solution
As a developer building a search-heavy application, OpenSearch has been a game-changer. It's easy to deploy via Docker and the APIs are well-documented, making integration straightforward. The fact that it's fully open source under Apache 2.0 gives us peace of mind for long-term use without vendor lock-in, and the performance has been rock-solid with our mid-sized dataset.
Quinn Johnson
Mar 12, 2026Powerful but needs polish for production use
OpenSearch delivers on its promise as a capable open-source search and analytics engine, with the Apache 2.0 license being a major plus for our team. However, we hit several rough edges with documentation and plugin compatibility that slowed our rollout. The core search functionality is solid, but the ecosystem feels young compared to its predecessor.
Phoenix Harris
Mar 10, 2026Great for open source, but the ecosystem is still catching up
As a developer, I appreciate the Apache 2.0 license and the freedom it provides, which is a huge win over Elasticsearch's recent changes. The core search and analytics APIs are solid and perform well for our basic use cases. However, finding compatible plugins and up-to-date client libraries can be a frustrating scavenger hunt compared to the mature Elastic ecosystem.
Liam Lopez
Mar 10, 2026A Reliable Open-Source Search Backbone
As a developer building a data dashboard, OpenSearch has been a perfect fit. It was straightforward to migrate from Elasticsearch, and the Apache 2.0 license gives us peace of mind for our commercial product. The REST APIs are robust and well-documented, making integration smooth.
Review Summary
Based on 66 reviews
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OpenSearch
OpenSearch is an open source search engine software project that is based on Elasticsearch and Apache 2.0 licensed. It provides …
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