Best Firefly Alternatives in 2026

Updated October 2026

20 tools from GitOps tools ranked against Firefly on the same published basis.

1
Nullstone Free plan apiLinuxMacWebWin $50/mo7.8
Firefly vs Nullstone
2
Pulumi Free plan apiLinuxMacself-hostedWeb $40/mo7.8
Firefly vs Pulumi
3
GitLab Package Registry Free plan apiLinuxself-hostedWeb $2.42/mo7.5
Firefly vs GitLab Package Registry
4
Portainer Free plan apiLinuxself-hostedWeb $12.92/mo7.5
Firefly vs Portainer
5
Devtron Release Orchestration Free plan apiself-hostedWeb $499/mo7.4
Firefly vs Devtron Release Orchestration
6
Flux CD Free plan apiLinuxMacself-hostedWin Free7.3
Firefly vs Flux CD
7
GitOpsHQ Free plan apiself-hostedWeb $29/mo7.3
Firefly vs GitOpsHQ
8
KubeVela Free plan LinuxMacself-hostedWebWin Free7.3
Firefly vs KubeVela
9
Spacelift Free plan apiself-hostedWeb $1666.67/mo7.3
Firefly vs Spacelift
10
Argo CD Free plan apiLinuxMacself-hostedWeb Free7.2
Firefly vs Argo CD
11
PipeCD Free plan apiLinuxMacself-hostedWeb Free7.2
Firefly vs PipeCD
12
Scalr Free plan apiLinuxself-hostedWeb Free7.0
Firefly vs Scalr
13
Alauda Container Platform apiLinuxself-hostedWeb 6.9
Firefly vs Alauda Container Platform
14
env0 Free plan apiself-hostedWeb Free6.9
Firefly vs env0
15
Google Config Sync Free plan apiself-hostedWeb Free6.9
Firefly vs Google Config Sync
16
Sveltos Free plan self-hosted $80/mo6.8
Firefly vs Sveltos
17
Carvel kapp-controller Free plan Linuxself-hosted Free6.7
Firefly vs Carvel kapp-controller
19
Nirmata DevSecOps Platform Free trial apiself-hostedWeb $1,250/mo6.7
Firefly vs Nirmata DevSecOps Platform
20
Rancher Fleet Free plan apiself-hosted Free6.7
Firefly vs Rancher Fleet
21
GitOps Manager self-hostedWeb 6.5
Firefly vs GitOps Manager

Firefly alternatives compared

#	Tool	Score	Free plan	From	Runs on
1	Nullstone	7.8	Free plan	$50/mo	API, Linux, Mac, Web, Windows
2	Pulumi	7.8	Free plan	$40/mo	API, Linux, Mac, self-hosted, Web, Windows
3	GitLab Package Registry	7.5	Free plan	$2.42/mo	API, Linux, self-hosted, Web
4	Portainer	7.5	Free plan	$12.92/mo	API, Linux, self-hosted, Web
5	Devtron Release Orchestration	7.4	Free plan	$499/mo	API, self-hosted, Web
6	Flux CD	7.3	Free plan	Free	API, Linux, Mac, self-hosted, Windows
7	GitOpsHQ	7.3	Free plan	$29/mo	API, self-hosted, Web
8	KubeVela	7.3	Free plan	Free	Linux, Mac, self-hosted, Web, Windows
9	Spacelift	7.3	Free plan	$1666.67/mo	API, self-hosted, Web
10	Argo CD	7.2	Free plan	Free	API, Linux, Mac, self-hosted, Web, Windows
11	PipeCD	7.2	Free plan	Free	API, Linux, Mac, self-hosted, Web
12	Scalr	7.0	Free plan	Free	API, Linux, self-hosted, Web
13	Alauda Container Platform	6.9	No	—	API, Linux, self-hosted, Web
14	env0	6.9	Free plan	Free	API, self-hosted, Web
15	Google Config Sync	6.9	Free plan	Free	API, self-hosted, Web
16	Sveltos	6.8	Free plan	$80/mo	self-hosted
17	Carvel kapp-controller	6.7	Free plan	Free	Linux, self-hosted
19	Nirmata DevSecOps Platform	6.7	No	$1,250/mo	API, self-hosted, Web
20	Rancher Fleet	6.7	Free plan	Free	API, self-hosted
21	GitOps Manager	6.5	No	—	self-hosted, Web

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Questions about Firefly alternatives

What is the best alternative to Firefly?

Nullstone, number 1 in GitOps tools with a score of 7.8 out of 10. The others here: Pulumi, GitLab Package Registry, Portainer and 16 more.

What is the best free alternative to Firefly?

Nullstone is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.