51
fctools
v0.6.0 GrowingAn exhaustive, highly modular and extensible host SDK for the Firecracker microVM manager.
MIT Edition 2021 MSRV 1.81
Quick Verdict
- ✓Actively maintained (updated 15d ago)
- !Pre-1.0: API may have breaking changes
- !Heavy dependency tree (36 direct deps)
- ✓Permissive license (MIT)
Security
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Downloads
25.1K
Dependents
0
Releases
34
Size
84KB
Deep Insights
📈
Strong growth momentum
1.1K downloads in the last 30 days (37/day), up 152% from the previous period.
🔬
Pre-1.0 for over a year
Despite being 1+ years old, fctools hasn't reached 1.0 yet. Expect potential API changes between versions.
📦
Heavy dependency tree
36 direct dependencies. Consider the impact on compile times and supply chain complexity.
⚠️
Notable yanked versions
15% of releases have been yanked. Check version history before pinning.
Health Breakdown
Maintenance 18/25
Recency, release consistency, active ratio
Quality 11/25
Yanked ratio, deps, size, maturity, features
Community 5/20
Reverse deps, ownership, ecosystem
Popularity 5/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
18/day avg+385%
Version Adoption
v0.6.0
49%
v0.6.0-beta.2
13%
v0.6.0-rc.0
13%
v0.6.0-rc.2
13%
v0.6.0-rc.4
12%
Release Timeline
10 releases1 yankedsince 2025
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2025
9
2026
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Feature Flags
vmfullvmm-corevmm-processruntime-utilsmol-runtimevmm-executortokio-runtimeprocess-spawnermetrics-extensioneither-vmm-executorjailed-vmm-executornix-syscall-backendgrpc-vsock-extensionhttp-vsock-extensionlink-local-extensiondirect-process-spawnerrustix-syscall-backendsnapshot-editor-extensionunrestricted-vmm-executorelevation-process-spawners
README
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Maintainers
Dependencies
36
direct dependencies
Dependents
0
crates depend on fctools