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Open HTML to PDF
An HTML to PDF library for the JVM. Based on Flying Saucer and Apache PDF-BOX 2. With SVG image support. Now also with accessible PDF support (WCAG, Section 508, PDF/UA)!
I've used OpenHtmlToPdf for years. Combine this with something like Velocity for templating.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Are you looking for a way to render PDF's or produce them? If you want to produce PDF's, I've used https://pdfbox.apache.org/ successfully as well as https://itextpdf.com/ (potentially costs money).
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iText
[DEPRECATED] Core Java Library + PDF/A, xtra and XML Worker. Only security fixes will be added — please use iText 7
Are you looking for a way to render PDF's or produce them? If you want to produce PDF's, I've used https://pdfbox.apache.org/ successfully as well as https://itextpdf.com/ (potentially costs money).
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I thoroughly evaluated this some time ago for my open source invoicing tool (https://github.com/mzinsmeister/klubu). I ended up using headless chromium and selenium plus paged.js (which i injected into the html using selenium). There sadly is no open source java implementation of modern HTML and CSS standards.
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gotenberg
A developer-friendly API for converting numerous document formats into PDF files, and more!
I found a project that does exactly that (https://github.com/gotenberg/gotenberg). It’s my best bet for now, but I still need to test GraalVM integration with JS runtimes (and test JS libraries) and the Kotlin compiler targeting Node.
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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
