Elasticsearch vs. OpenSearch: Which one to choose? [Updated 2025]
TL;DR Elasticsearch and OpenSearch, once nearly identical, have taken very different paths. Licensing: Elasticsearch added AGPLv3 in 2024; OpenSearch stays Apache 2.0 under the Linux
Puja Ambalgekar
Puja Ambalgekar
Puja is a Technical content writer at Knowi with 3+ years of experience writing Technical content in the IT field. She has experience delivering product documentation, how-to guides, user manuals, developer documentation, blog posts, SRS specifications, whitepapers, copywriting content, and SEO optimization. She also has an MS in Computer Science and 4+ years of experience as a Software Developer.
Building Elasticsearch Queries using Knowi
This blog post provides a guide to building Elasticsearch queries. It also talks about some of Knowi’s key features/support for Elasticsearch queries.
How to Join Elasticsearch with other Datasources using Knowi [Updated 2025]
Knowi is an end-to-end analytics platform that can be used to explore data sets, clean messy, complex data, blend multiple data stores using common join-keys,
How to Loop Join Multiple REST APIs: Tutorial
This blog post illustrates how to use Loop Join to join multiple REST APIs. Loop Join is useful to avoid multiple API calls.
Exploring the Data World Platform
In today’s digital age, data is often referred to as the new oil fueling innovation, driving decision-making, and transforming industries. With exponential data generation, storage,
REST API Authentication Guide 2025: 4 Methods Compared (OAuth, JWT, API Keys)
Secure your REST API: compare OAuth 2.0, JWT tokens, API keys, and Basic Auth. Code examples + security best practices for 2025.
Elasticsearch vs. MySQL: What to Choose?
TL;DR Elasticsearch Open-source distributed search & analytics engine. Excels at real-time search, log/event data, and full-text search. Highly scalable with JSON-based document model. Best for
Kibana Tutorial 2025: Elasticsearch Visualization Made Simple
Complete Kibana guide: create dashboards, visualize Elasticsearch data, and build real-time analytics. Plus 5 Kibana alternatives compare
OpenSearch: The Open-Source Search and Analytics suite
OpenSearch is the open-source evolution of Elasticsearch—scalable, secure, and built for search, log analytics, and more. Learn how it works + key use cases.
Choosing the Right Database: Elasticsearch vs. MongoDB
In the ever-changing landscape of database technologies, we are spoilt for choices, often confusing us. We are hung up on the question, “Which is a