head to head · open source
pdfcpu vs SynologyDDNSCloudflareMultidomain
pdfcpu has 8,842 GitHub stars, 633 forks, 121 open issues and last shipped 4 days ago. SynologyDDNSCloudflareMultidomain has 538 stars, 80 forks, 16 open issues and last shipped 6 months ago. pdfcpu leads on adoption by 1,543% (8,842 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 15%. 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 | ★ 8.8K | ★ 538 |
| License | Apache-2.0 | MIT |
| Written in | Go | PHP |
| Last push | 2026-09-14 | 2026-04-06 |
| Forks | ⑂ 633 | ⑂ 80 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pdfcpu if
- You weight community size — 8.8K 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 is a PDF processing library and command line tool written in Go. It lives in the Go and Golang ecosystem, is distributed under the Apache 2.0 license, and is listed under Business Software in the Document Management and E Signatures category. The project has existed for nine years, carries 8,835 stars and 628 forks, and lists 121 open issues. Its maintainer, Horst Rutter, is a member of the PDF Association, and the project documentation lives at pdfcpu.io. The GitHub topics attached to the repository are cli, go, golang, golang library, pdf, pdf files, and pdf tools, which describes both halves of what the…
read the full pdfcpu overview →
About SynologyDDNSCloudflareMultidomain
SynologyDDNSCloudflareMultidomain is a PHP based dynamic DNS provider agent that adds Cloudflare support to the Dynamic DNS section of Synology DSM and SRM, built for Synology NAS and router owners who keep their own domains on Cloudflare and need those records to follow a changing IP address.
read the full SynologyDDNSCloudflareMultidomain overview →
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Frequently asked questions
Is pdfcpu or SynologyDDNSCloudflareMultidomain more popular?
pdfcpu has 8,842 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 (8,842 stars) or its Apache-2.0 licence terms. Choose SynologyDDNSCloudflareMultidomain if its feature set, stack or MIT licence fits better. Both are self-hostable.