OpenWebStart

Karakun AG·karakun.OpenWebStart

Run Web Start based applications after the release of Java 11

winget install --id karakun.OpenWebStart --exact --source winget

Latest 1.14.0·July 6, 2026

Release Notes

This release provides the following bug fixes and improvements:

  • Update Install4J to bundle Adoptium JDK 11.0.31+11 instead of JDK 1.8. OWS and ITW continue to be compiled with Java 1.8. This has no effect on the launched application as they determine their own JRE. Currently OWS officially supports Java 1.8 - 21 for launching applications. The 32 bit OWS installer for Windows has been discontinued because Adoptium does not support 32 bit JDK 11 any more.
  • Address SAST/SCA CVEs in OWS and ITW.
  • Upgrade Mozilla Rhino to v1.7.15.1 which fixes some vulnerabilities.
  • Fix the bug that OWS does not prompt for Proxy Authentication when launching the Jnlp application (stage2).
  • Update documentation.
  • Update versions of JVMs in jvms.json on the JVM download server.

Installer type: exe

ArchitectureScopeDownloadSHA256
x64Download1088D635E685CD4161F2D900F1E20D564DA33138934B338060DDB8D826EB3C99

Details

Homepage
https://openwebstart.com/
License
GPL2 with the Classpath Exception
Publisher
Karakun AG
Support
https://openwebstart.com/support
Privacy Policy
https://openwebstart.com/privacy-policy

Tags

javajdkjnlpjreweb

Older versions (14)

1.13.0
ArchitectureScopeDownloadSHA256
x86Download2AC7CBD25682A4A44457F22F4F23C5A2D606D590983771A1BF74271344AD5E4B
x64Download8BCFB8583D67E163858271A833284C98200E8F412160FF9C3C8FF5D17956AC00
1.12.0
ArchitectureScopeDownloadSHA256
x86Download467D7707E41869CD68F87D5E83D2357F3BD8242C4F78F47409F40378FF90CF58
x64Download3950A24229840575BF8D38364D20384B5DEF087F61709C673EFB8A60C22E4EF3
1.11.1
ArchitectureScopeDownloadSHA256
x86DownloadC7601D34249362F0BB541803F7A6DB8CB03B216DB164CAED63773F2823D332CA
x64Download80982807EE55475F1FF4BE9F97E86F7DE148CEB87191873C6CA0715FD79D6B14
1.11.0
ArchitectureScopeDownloadSHA256
x86Download8F06659FD9B65128255F7D60C2018E54FF9F166221B54185120A6AE1CD60CD8D
x64Download54BE75A66E85540A7022A8E0BACD0731B74C48FC501CF9FA76C9244AAEF23ED0
1.10.1
ArchitectureScopeDownloadSHA256
x86Download31E88D6939A237D09E62230F36237523800455C516BFAC76A44C8225D2B453D0
x64Download1C8FCFF487A686297F61DAB156AE42C89C082E91457911AE52F443F119472214
1.9.1
ArchitectureScopeDownloadSHA256
x86Download296AA394BA9187D18FC5C62E11D8B6E5BC929B4926C2D9A17B53603B55E27065
x64DownloadAF74EA2BE152FAEF0E82C0B4AA32AA479CB106793269B096868C51926051375C
1.9.0
ArchitectureScopeDownloadSHA256
x86Download2F05FD7AE091A4066085909B4AF1304ED858C68CBCF8E3BF6E64BD17A4FB4761
x64Download98383E65559235F5F9BCA481FFCB9655C7E4BE93EBF085FBFB18957E529AE2B1
1.8.0
ArchitectureScopeDownloadSHA256
x86Download74B9D5417ECCDB4835004AA1000EFC855DF7CCA42CA59181BC60E5DA872065CB
x64Download818D2A4412BA4FC209F56B58D06F984DE8092767324D87CB4B2A970E4E5D22F9
1.7.0
ArchitectureScopeDownloadSHA256
x86Download8B4A3B0ECE5944FD510538DF90A8080ED4AF4079BBA06A5577437FD717782A95
x64Download592EC684878149A04E9C435444FD1FF49255CC98A0191F88D66AC2B2E49AE68A
1.6.0
ArchitectureScopeDownloadSHA256
x86Download0201EF84DE65923B797AB2BB4470EA1130A77C92E64FDA8AA6CD727584FAF8B4
x64DownloadECA646E8FFC30A34EE017E183D23EE7739C4D69BF1333DED96C211E908DF6953
1.5.2
ArchitectureScopeDownloadSHA256
x86Download06DC38ADAF63C93361EE2D8E2B655E1AD6ADB7A750FFFE97F0AC1ED791FE5E93
x64DownloadFDE5E88C94CC6607C7F42CAE1E0EB344F0D9E53EA65FDE4042DE1D7A23101834
1.5.1
ArchitectureScopeDownloadSHA256
x86Download0C184E82B75130795C28504D83632BB0EDD658FE957BE5745A298100C714F65E
x64Download187BE871C14D380261CE36E74C822B64CE42698BD37EEC6608402E64D1039BA9
1.5.0
ArchitectureScopeDownloadSHA256
x86Download4EB3FFEA5101F1FEA06F6975501C14ED3EE2E72E4E9FF6596A480D91975EAD72
x64DownloadC933191A098A13706DF49DD0C93DB45A7EADD064AF3E8DA66272A4ED7D1A96A6
1.4.0
ArchitectureScopeDownloadSHA256
x64DownloadA858E781248252E037A4C2A372407C1521D315C9E0EA2AEBC66D5B6D2081AE57
x86Download790657E623866593EEBC2522C7CDC919E5212A9465E32135471ADC04182E42A4