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tower-lsp

v0.20.0 Growing

Language Server Protocol implementation based on Tower

MIT OR Apache-2.0 Edition 2021 MSRV 1.64.0
Asynchronous #lsp#language-server#tower

Quick Verdict

  • โœ•Not updated for 2+ years
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (3.5K crates depend on it)
  • !Heavy dependency tree (21 direct deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
4.2M
Dependents
3.5K
Releases
30
Size
62KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

410.8K downloads in the last 30 days (13.7K/day), up 61% from the previous period.

๐Ÿ”—
Widely adopted

3.5K crates depend on tower-lsp. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

tower-lsp has only 1 owner despite 3.5K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, tower-lsp hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

21 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include dprint, kcl-lib, sway-lsp, ruchy, uiua. When high-quality crates choose tower-lsp, it's a strong quality signal.

Health Breakdown

Maintenance 6/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
9K/day avg+132%
05K10K15K20K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.20.0
82%
v0.17.0
9%
v0.19.0
6%
v0.13.3
1%
v0.18.0
1%

Release Timeline

30 releases1 yankedsince 2019
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2019
7
2020
14
2021
2
2022
4
2023
3
2024
2025
2026
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Yanked

Feature Flags

default =["runtime-tokio"]

proposedruntime-tokio*runtime-agnostic

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
3.5K
crates depend on tower-lsp

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