All projects · Swift

OpenCombine by broadwaylamb

Swift MIT

Open source implementation of Apple's Combine framework for processing values over time.

swiftcombinelinuxmacosioswatchostvosreactive-programmingwasmwebassemblywindowsswift-package-manager
Verdict 69/100 health $4.13/mo cheapest, hetzner 2/5 setup difficulty Last release 3.0 years ago

Self-host OpenCombine on hetzner CAX11 for $4.13/mo.

Deploy OpenCombine on hetzner → View on GitHub
Health score
69 /100
6-dim composite
Self-hosts from
$4.13 /mo
hetzner · CAX11
Difficulty
2 /5
Docker + read README
GitHub stars
2.8k
221 forks

About OpenCombine

From the project's README at github.com/broadwaylamb/OpenCombine. Lightly cleaned for readability; for the full source see the upstream repo.

Open-source implementation of Apple's Combine framework for processing values over time.

The main goal of this project is to provide a compatible, reliable and efficient implementation which can be used on Apple's operating systems before macOS 10.15 and iOS 13, as well as Linux, Windows and WebAssembly.

|[![Wasm](https://github.com/OpenCombine/OpenCombine/actions/workfl

Health score breakdown

6-dimension composite. See methodology for formula and weights.

activity
80
maturity
92
community
86
security
70
sustainability
53
adoption
30

Adoption signals

Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.

SignalValueSource
GitHub stars 2.8k github.com/broadwaylamb/OpenCombine
GitHub forks 221 github.com/broadwaylamb/OpenCombine

Release & maintenance

Is this project actively maintained, or about to die? Check the recency of last commit and last release.

Project age6.9 yearssince Jun 2019
Last commit2.3 years agoJan 24, 2024
Releases shipped16last: 3.0 years ago

Self-hosting cost across providers

Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.

ProviderPlanSpecsMonthly
hetzner CAX11 2c · 4GB · 40GB $4.13 USD Deploy →
vultr VC2 1c · 1GB · 25GB $5 USD Deploy →
linode Nanode 1GB 1c · 1GB · 25GB $5.12 USD Deploy →
digitalocean Basic Regular 1GB 1c · 1GB · 25GB $6 USD Deploy →

Ready to self-host OpenCombine?

Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.

Deploy on hetzner → $4.13/mo Read install docs on GitHub

Data last refreshed May 7, 2026.

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Frequently asked questions

Last verified . Data refreshes every 30 minutes.