head to head · open source
pdfcpu vs SynologyDDNSCloudflareMultidomain
pdfcpu has 8,895 GitHub stars, 644 forks, 121 open issues and last shipped yesterday. SynologyDDNSCloudflareMultidomain has 538 stars, 78 forks, 16 open issues and last shipped 7 months ago. pdfcpu leads on adoption by 1,553% (8,895 vs 538 stars). pdfcpu is written in Go under Apache-2.0; SynologyDDNSCloudflareMultidomain is written in PHP under MIT. pdfcpu has attracted 7% as many forks as stars, SynologyDDNSCloudflareMultidomain 14%. pdfcpu was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| pdfcpu | SynologyDDNSCloudflareMultidomain | |
|---|---|---|
| GitHub stars | ★ 8.9K | ★ 538 |
| License | Apache-2.0 | MIT |
| Written in | Go | PHP |
| Last push | 2026-11-02 | 2026-04-06 |
| Forks | ⑂ 644 | ⑂ 78 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pdfcpu if
- You weight community size — 8.9K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick SynologyDDNSCloudflareMultidomain if
- You want the SynologyDDNSCloudflareMultidomain feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and SynologyDDNSCloudflareMultidomain fits your workflow better
About pdfcpu
pdfcpu: PDF tooling for Go and the command line pdfcpu is a PDF processing library and command line tool written in Go. It supports validation, optimization, encryption, signing, document assembly, content extraction, and other common PDF operations. pdfcpu supports PDF versions through PDF 2.0 (ISO 32000 2). PDF 2.0 validation support is basic and continuously improving. Horst Rutter, the maintainer of pdfcpu, is a member of the PDF Association. Installation Usage CLI Validate a PDF: Merge two PDFs: Go API See API documentation for usage examples. Features Validate, optimize, split, trim, and merge PDFs Extract…
read the full pdfcpu overview →
About SynologyDDNSCloudflareMultidomain
Synology Dynamic DNS with Cloudflare for both multidomains and subdomains Documentation website: 📢 Check out the new native version of this agent, written in Kotlin KTSynologyDDNSCloudflareMultidomain Table of contents Features Before you begin How to install Troubleshooting and known issues + CloudFlare API free domains limitation + Connection test failed or error returned + Cloudflare no longer listed as a DDNS provider after a DSM update Default Cloudflare ports Debug script Support this project Features Synology Integration : Adds Cloudflare support to Synology DSM and SRM Network Center Dynamic DNS (DDNS)…
read the full SynologyDDNSCloudflareMultidomain overview →
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Frequently asked questions
Is pdfcpu or SynologyDDNSCloudflareMultidomain more popular?
pdfcpu has 8,895 GitHub stars and SynologyDDNSCloudflareMultidomain has 538. pdfcpu has the larger community by that measure.
Are pdfcpu and SynologyDDNSCloudflareMultidomain free?
Both are open source. pdfcpu is licensed under Apache-2.0 and SynologyDDNSCloudflareMultidomain under MIT. Neither carries a licence fee.
What is the difference between pdfcpu and SynologyDDNSCloudflareMultidomain?
pdfcpu is written in Go and SynologyDDNSCloudflareMultidomain in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, pdfcpu or SynologyDDNSCloudflareMultidomain?
Choose pdfcpu if you want the larger community (8,895 stars) or its Apache-2.0 licence terms. Choose SynologyDDNSCloudflareMultidomain if its feature set, stack or MIT licence fits better. Both are self-hostable.