JRebel
Reclazz
XRebel
Spring Boot
HotSwap
Hotswap Agent
Eclipse
The purpose of the project is to maintain enhanced class redefinition functionality for OpenJDK HotSpot 7/8/9/10/11 and Oracle JVM.

Cursor
GitHub Copilot
Google Antigravity
warp by spolu
opencode
Windsurf Editor
Codex 3.0 by OpenAI
Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.

Which is more popular?
Based on our record, Dcevm seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dcevm.github.io | anthropic.com |
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I just purchased 20 bucks package of claude and now its working as a full time employee for me.
Recommendations tracked on public social media and blogs since March 2021.

Interesting, I've never heard of Espresso, I've always just used Jetbrains Runtime[1] instead which is the successor of DCEVM[2] in a way. As for plugins I used HotswapAgent[3] at times however I found it to be rather clunky, does... - Source: Hacker News / almost 2 years ago
Tip: Keep in mind that HotSwap has its limitations. If you are interested in extended HotSwap capabilities, it might be a good idea to take a look at advanced tools like DCEVM or JRebel. - Source: dev.to / over 2 years ago
For hot reload... Again Minecraft has no set in stone system for doing this. While you can use a custom JVM to do it... http://dcevm.github.io/ or https://www.jrebel.com/products/jrebel ... This is going to be really buggy. Its... Source: about 5 years ago
Tracking Claude Code since May 2025.
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Stop restarting SAP Commerce. Edit code, build, and the running server picks up the change in about 50ms. Even an items.xml save regenerates and reloads. Free and open source.
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Google Antigravity - Build the new way
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