nowfound

Dev tools · June 13, 2015

Highlander – Stop Overlapping Python Cron Jobs

There can be only one... process. Contribute to chriscannon/highlander development by creating an account on GitHub.

Highlander – Stop Overlapping Python Cron Jobs launched on June 13, 2015 with 28 votes, #1,316 of 3,954 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.

In plain words

Highlander is a Python tool that prevents multiple instances of cron jobs from running simultaneously. It ensures only one process executes at a time, preventing overlapping job execution. The tool is designed for developers managing scheduled tasks in Python environments who need to avoid duplicate or concurrent job runs.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • CronhqSep 2026 · cronhq.xyz · ▲94

    Cron jobs that actually run

  • Cronhub2018 · ▲418

    Painless cron monitoring in a simple dashboard

  • Cronitor2017 · cronitor.io · ▲170

    Monitor cron jobs, micro-services and almost anything else.

  • Cronotion2022 · ▲137

    Repeated tasks for your notion with the power of cron

  • CronTool2023 · tool.crontap.com · ▲123

    Cron expression editor & debugger

  • runCLAUDErun2025 · runclauderun.com · ▲112

    I built runCLAUDErun because I got tired of manually running the same Claude Code tasks every day. It's free and it runs locally. What it does: It's a macOS app that schedules your local Claude Code to run on any schedule you want - daily, weekly, or custom cron expressions. My use case: Every night at 11pm, it automatically summarizes my Obsidian daily notes. But, it can schedule any Claude task - code reviews, data processing, report generation, web research, file organization, etc... Technical details: - Native macOS app (Electron + React) - Uses launchd for scheduling (proper macOS…

More dev tools this month

the category →
  • /dev/null▲489

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 28d ago · github.com

  • Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 26d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 29d ago · corespeed.io

Source: Show HN post ↗

Launched alongside, June 2015

the whole month →
  • A​rticles you need to read before launching a startup.

    Growth · 2015 · startuplaunchlist.com

  • Get any site's company logo with just a URL

    Dev tools · 2015 · clearbit.com

  • The best new games, every day

    Life & fun · 2015

  • Coverr▲584

    Beautiful, free videos for your homepage background.

    Work · 2015 · coverr.co

  • SLIDE▲563

    A hoverboard by Lexus (no joke)

    Life & fun · 2015

  • The Best Landing Page Inspiration

    Work · 2015 · lapa.ninja