# Top Free Time Series Databases ## How Many Time Series Databases Products Does G2 Track? **Total Products under this Category:** 52 ### Category Stats (Jul 2026) - **Average Rating:** 4.46/5 The average rating of products in this category, based on all submitted ratings _Last updated: July 14, 2026_ ## How Does G2 Rank Time Series Databases Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 1,100+ Authentic Reviews - 52+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. [ Tiger Data ](https://www.g2.com/products/tiger-data/reviews) By [Tiger Data (creators of TimescaleDB)](https://www.g2.com/sellers/tiger-data-creators-of-timescaledb) [ 4.6/5(33) ](https://www.g2.com/products/tiger-data/reviews) What do users say? Users consistently praise the ease of use and performance of the product, highlighting its intuitive interface and fast data processing capabilities. Many appreciate how it integrates seamlessly with Pros and Cons [ Ease of Use (8) ](https://www.g2.com/products/tiger-data/reviews?qs=pros-and-cons)[ Expensive (4) ](https://www.g2.com/products/tiger-data/reviews?qs=pros-and-cons) [ CrateDB ](https://www.g2.com/products/cratedb/reviews) By [CrateDB](https://www.g2.com/sellers/cratedb) [ 4.4/5(85) ](https://www.g2.com/products/cratedb/reviews) What do users say? Users consistently praise CrateDB for its ease of use and scalability, making it a reliable choice for handling large datasets and real-time data processing. The integration of SQL with NoSQL capabili Pros and Cons [ Ease of Use (12) ](https://www.g2.com/products/cratedb/reviews?qs=pros-and-cons)[ Lack of Features (5) ](https://www.g2.com/products/cratedb/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ KX ](https://www.g2.com/products/kx-kx/reviews) By [KX](https://www.g2.com/sellers/kx-a145756d-91d3-463e-a51d-9e13b1ac577c) [ 4.6/5(51) ](https://www.g2.com/products/kx-kx/reviews) What do users say? Users consistently praise the product for its exceptional speed and powerful query language, which allows for efficient handling of large datasets. Many appreciate how the concise syntax of the q lang Pros and Cons [ Speed (6) ](https://www.g2.com/products/kx-kx/reviews?qs=pros-and-cons)[ Learning Curve (7) ](https://www.g2.com/products/kx-kx/reviews?qs=pros-and-cons) [ InfluxDB ](https://www.g2.com/products/influxdata-influxdb/reviews) By [InfluxData](https://www.g2.com/sellers/influxdata-c4358581-7be9-4eec-a0bc-bd083f9c5468) [ 4.4/5(101) ](https://www.g2.com/products/influxdata-influxdb/reviews) What do users say? Users consistently praise the ease of use and performance of InfluxDB, highlighting its ability to handle large volumes of time series data efficiently. The intuitive setup and integration with tools [ TDengine ](https://www.g2.com/products/tdengine/reviews) By [TDengine](https://www.g2.com/sellers/tdengine) [ 4.7/5(15) ](https://www.g2.com/products/tdengine/reviews) What do users say? Users consistently praise TDengine for its high performance and scalability, making it an excellent choice for time-series data management, particularly in IoT applications. The platform's ability to [ QuestDB ](https://www.g2.com/products/questdb/reviews) By [QuestDB](https://www.g2.com/sellers/questdb) [ 4.8/5(35) ](https://www.g2.com/products/questdb/reviews) What do users say? Users consistently praise QuestDB for its exceptional performance and ease of use, making it a reliable choice for handling large time-series datasets. The integration of SQL and various data ingestio [ Epsilon3 ](https://www.g2.com/products/epsilon3/reviews) By [Epsilon3](https://www.g2.com/sellers/epsilon3) [ 4.2/5(260) ](https://www.g2.com/products/epsilon3/reviews) What do users say? Users consistently praise Epsilon3 for its user-friendly interface and step-by-step guidance, which simplifies complex procedures and enhances team collaboration. Many appreciate how it streamlines wo Pros and Cons [ Ease of Use (39) ](https://www.g2.com/products/epsilon3/reviews?qs=pros-and-cons)[ Complexity (11) ](https://www.g2.com/products/epsilon3/reviews?qs=pros-and-cons) [ Aerospike ](https://www.g2.com/products/aerospike/reviews) By [Aerospike](https://www.g2.com/sellers/aerospike) [ 4.4/5(83) ](https://www.g2.com/products/aerospike/reviews) What do users say? Users consistently praise the product for its high performance and ease of use, noting that it delivers sub-millisecond response times and is reliable in demanding environments. Many appreciate the mi [ Warp 10 ](https://www.g2.com/products/warp-10/reviews) By [SenX](https://www.g2.com/sellers/senx) [ 4.4/5(36) ](https://www.g2.com/products/warp-10/reviews) What do users say? Users consistently praise the flexibility and ease of integration of Warp 10, highlighting its ability to adapt to various data management needs and seamlessly connect with existing systems. The platf [ Druid ](https://www.g2.com/products/druid/reviews) By [Druid](https://www.g2.com/sellers/druid) [ 4.3/5(31) ](https://www.g2.com/products/druid/reviews) What do users say? Users consistently praise Druid for its fast query performance and easy integration with various data sources, making it a reliable choice for real-time analytics. The ability to handle large volumes [ Trendalyze ](https://www.g2.com/products/trendalyze/reviews) By [Trendalyze](https://www.g2.com/sellers/trendalyze) [ 4.6/5(19) ](https://www.g2.com/products/trendalyze/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of Trendalyze, allowing both technical and non-technical users to gain insights quickly. The platform's ability to facilitate real-tim [ Tinybird ](https://www.g2.com/products/tinybird/reviews) By [Tinybird](https://www.g2.com/sellers/tinybird) [ 4.1/5(14) ](https://www.g2.com/products/tinybird/reviews) What do users say? Users consistently praise Tinybird for its ease of use and ability to simplify data analytics, making it a strong choice for building real-time analytics products. The platform's quick querying and au Pros and Cons [ Ease of Use (6) ](https://www.g2.com/products/tinybird/reviews?qs=pros-and-cons)[ Poor Customer Support (3) ](https://www.g2.com/products/tinybird/reviews?qs=pros-and-cons) [ Hazelcast Platform ](https://www.g2.com/products/hazelcast-platform/reviews) By [Hazelcast](https://www.g2.com/sellers/hazelcast-9a5fe385-0ae1-4f16-99b0-f9f0ee1a4194) [ 4.3/5(13) ](https://www.g2.com/products/hazelcast-platform/reviews) What do users say? Users consistently praise the product for its high performance and ease of use, particularly in distributed caching and data management. Many appreciate its ability to handle large-scale applications Pros and Cons [ Ease of Use (1) ](https://www.g2.com/products/hazelcast-platform/reviews?qs=pros-and-cons)[ Learning Curve (1) ](https://www.g2.com/products/hazelcast-platform/reviews?qs=pros-and-cons) [ DataPortia ](https://www.g2.com/products/dataportia/reviews) By [Atorcom](https://www.g2.com/sellers/atorcom) [ 5/5(1) ](https://www.g2.com/products/dataportia/reviews) Product Description DataPortia is an advanced industrial data acquisition and reporting software that connects to automation systems via OPC UA protocol. It stores time-series data in a PostgreSQL/TimescaleDB database an [ Fauna ](https://www.g2.com/products/fauna-fauna/reviews) By [Fauna](https://www.g2.com/sellers/fauna) [ 4.4/5(25) ](https://www.g2.com/products/fauna-fauna/reviews) What do users say? Users consistently praise the product for its serverless nature and flexibility, allowing developers to focus on building applications without managing infrastructure. The ability to use a familiar sy Pros and Cons [ Scalability (4) ](https://www.g2.com/products/fauna-fauna/reviews?qs=pros-and-cons)[ Difficult Learning (2) ](https://www.g2.com/products/fauna-fauna/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) - ‹ Prev‹ Prev - 1 - [2](/categories/time-series-databases/free?open_modal_url=%2Fproducts%2Fquestdb%2Fwishlists%3Fhost_path%3D%252Fcategories%252Ftime-series-databases%252Ffree%26source%3Dcategory&order=g2_score&page=2#product-list) - [Next ›Next ›](/categories/time-series-databases/free?open_modal_url=%2Fproducts%2Fquestdb%2Fwishlists%3Fhost_path%3D%252Fcategories%252Ftime-series-databases%252Ffree%26source%3Dcategory&order=g2_score&page=2#product-list) Spotlight Categories [Data Science and Machine Learning Platforms](https://www.g2.com/categories/data-science-and-machine-learning-platforms) [Restaurant POS Systems](https://www.g2.com/categories/restaurant-pos) [AI Sales Assistant Software](https://www.g2.com/categories/ai-sales-assistant) [A/B Testing Tools](https://www.g2.com/categories/a-b-testing-tools) [Employee Recognition Software](https://www.g2.com/categories/employee-recognition) Similar Categories - [Relational Databases](/categories/relational-databases) - [NoSQL Databases](/categories/nosql-databases) - [Database Management Systems (DBMS)](/categories/database-management-systems-dbms) - [Big Data](/categories/big-data) - [Database as a Service (DBaaS)](/categories/database-as-a-service-dbaas) - [Database Comparison](/categories/database-comparison) - [Desktop Database](/categories/desktop-database) - [Real-time Analytic Database](/categories/real-time-analytic-database) - [Structured Data Archiving and Application Retirement](/categories/structured-data-archiving-and-application-retirement) - [Vector Database](/categories/vector-database) [Browse Time Series Databases Themes](/categories/time-series-databases/themes)