When comparing FastReport Open Source vs Jasper Reports, the Slant community recommends Jasper Reports for most people. In the question“What are the best open source reporting tools?” Jasper Reports is ranked 2nd while FastReport Open Source is ranked 12th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro GIT repository
Pro Free version
Pro Script engine
The script engine supports C# and VB.NET.
Pro Has many more output formats than Nextreports
Pro Easy to learn
Pro Eclipse-based report designer is fairly easy to use
Jasperstudio report designer is easy enough to grok. It is full of features for designing your reports in a wysiwyg manner.
Pro Can be run as a service (server version) that allows deep links to individual reports or embedded with your web app as a library
You may or may not want a server version with its own learning curve and API. With Jasper you have the option of server vs library. With either one you can whip up reports and make them available in PDF, XML, HTML, CSV, XLS, RTF or TXT format. It's not very difficult to do that with JasperReports. And there are many examples out there to learn from.
Cons
Con Geared towards Java programmers
Extremely slow to load