Oracle offers many free technologies to developers as part of its comprehensive product portfolio which are not always easy to find. This page provides you with a one-stop-shop list of all of them. And the best part, you can help as well! If you find a technology that is missing in this list or spot a mistake, please read the Contributing Guide and submit a Pull Request.

Also, if you are looking for a list of all the open source projects that Oracle contributes to, check out opensource.oracle.com.

And make sure you also head over to developer.oracle.com/free for additional great free developer resources from Oracle.

• Cloud
• Container Platform
• Databases
• Database Tools
• Graph
• In-Memory
• Java
• JavaScript
• Linux
• Machine Learning
• Python
• Ruby
• Serverless
• Source Code Management
• Virtualization

• Oracle Cloud Always Free Tier

  • Compute

    • Compute - 2 AMD based Compute VMs with 1/8 OCPU and 1 GB memory each
    • Compute - 4 Arm-based Ampere A1 cores and 24 GB of memory usable as one VM or up to 4 VMs

  • Content Management

    • Content Management Starter Edition - 5000 assets per month

  • Databases

    • Autonomous Database - 2 DBs, 20 GB each
    • NoSQL Database with 133 million reads per month, 133 million writes per month, 25 GB storage per table, up to 3 tables

  • Network

    • Flexible Load Balancer - 1 instance, 10 Mbps
    • Flexible Network Load Balancer
    • Outbound Data Transfer - 10 TB per month
    • Bastion service - 5 Bastions
    • Site-to-Site VPN - 50 IPSec connections
    • VCN Flow Logs - 10 GB per month (shared with Logging)
    • Virtual Cloud Networks (VCN) - maximum of 2 VCNs, includes IPv4 and IPv6 support

  • Management

    • Monitoring - 500 million ingestion datapoints, 1 billion retrieval datapoints
    • Notifications - 1 million sent through https per month, 1000 sent through email per month
    • Observability - Application Performance Monitoring, 1000 tracing events per hour and 10 Synthetic runs per hour
    • Resource Manager - managed Terraform
    • Logging - 10 GB per month (shared with VCN Flow Logs)
    • Service Connector Hub - 2 service connectors

  • Storage

    • Archive Storage - 10 GB
    • Block Volume - 2 volumes, 200 GB total
    • Object Storage Standard - 10 GB
    • Object Storage Infrequent Access - 10 GB

  • Other

    • Email Delivery - 3,000 emails sent per day
    • 5 Private CA and 150 private TLS certificates

  • Full, detailed list - https://www.oracle.com/cloud/free/

  • Service Availability per region - https://www.oracle.com/cloud/data-regions/

• Verrazzano - A hybrid multi-cloud Enterprise Container Platform

• MySQL Community Server - the world's most popular open-source database
• NoSQL Database Community Edition - for low latency, flexible data models and elastic scale
• Oracle Database Express Edition - the ideal way to get started with Oracle Database
• Oracle Database Free - access to the newest features of the next-generation Oracle Database
• Oracle TimesTen In-Memory Database Express Edition - the fastest OLTP database

• Application Express (APEX) - a low-code development platform
• Developer Tools for Visual Studio - tightly integrated Oracle Database tools "Add-in"
• Developer Tools for VS Code - tools for editing and executing SQL and PL/SQL in Oracle Database
• MySQL Workbench - cross-platform, visual database design tool for MySQL
• REST Data Services (ORDS) - bridges HTTPS and your Oracle Database
• SQLcl - command line interface for Oracle Database
• SQL Developer - integrated development and management environment for Oracle Database
• SQL Developer Data Modeler - graphical tool that enhances productivity and simplifies data modeling tasks

• PGQL - Property Graph Query Language

• Coherence Community Edition - in-memory data grid
• Oracle TimesTen In-Memory Database Express Edition - the fastest OLTP database

• GraalVM - High Performance JDK with JIT and AOT compilation
• Helidon - a set of Java libraries for writing microservices
• Java - the Language of Possibilities
• VisualVM - All-in-One Java Troubleshooting Tool

• JavaScript Extension Toolkit (JET) - collection of open source JavaScript libraries
• GraalJS - Run JavaScript applications faster and more efficiently on GraalVM
• node-oracledb - A Node.js add-on module for high performance Oracle Database applications written in JavaScript or Typescript

• Oracle Linux - 100% application binary compatible with Red Hat Enterprise Linux

• Skater - Unified framework to enable ML Model Interpretation
• Tribuo - Machine learning library written in Java

• GraalPy - High-Performance Python runtime powered by GraalVM
• python-oracledb - A Python extension module for high performance Oracle Database applications

• TruffleRuby - Run Ruby applications faster and more efficiently on GraalVM

• Fn Project - open source container-native serverless platform

• OpenGrok - source code search and cross reference engine

• VirtualBox - powerful x86 and AMD64/Intel64 virtualization product