Cron Expression Validator & Next-Run Calculator

Cron Expression Builder & Validator

perryay/cron-expression-builder-validator

Parse, validate, and explain cron scheduling expressions with syntax validation, next-execution calculation, human-readable descriptions, batch validation (100+ expressions), and full schedule auditing with overlap and gap detection. Ideal for DevOps, SRE, and platform engineering teams.

Cron Expression Parser and Next Run Times

mangudai/cron-expression-parser

Parse cron expressions and get the next scheduled run times with a plain-English description. Give one or more standard cron strings and get a clean table of upcoming runs, weekdays, and validity. Offline, no API key.

Deterministic Math Expression Evaluator Tool

rainminer/math-tool

Evaluate mathematical expressions deterministically for AI agents and automations. Supports arithmetic, functions, and variables via a safe expression parser. Designed for AI agents for concise, deterministic, and accurate math outputs. Use over MCP, API, or the Apify Console.

Chotot.com Scraper | Vietnam Classifieds & Property

haketa/chotot-scraper

Cho Tot scraper & API (Vietnam classifieds): search listings by keyword and category and export title, price, description, location, seller, attributes, photos, date and URL. Vietnam marketplace and resale market data plus seller lead gen — fast, no login.

VivaReal Scraper | Brazil Real Estate BRL Pricing

haketa/vivareal-scraper

VivaReal scraper & API for Brazilian real estate: search property for sale and rent and export address, price, condo fee, beds, baths, parking, area, type, amenities, photos and coordinates. Brazil property market data and real-estate lead generation — fast, no login.

Mourjan Scraper | MENA Properties, Cars & Jobs

haketa/mourjan-scraper

Mourjan scraper & API (MENA classifieds): search listings by keyword and category and export title, price, description, city, seller, contact, photos, date and URL. Middle East marketplace data and seller lead generation — fast, no login.

ATS Job Change Feed API - Greenhouse + 7 More

kamerozkan/ats-job-change-feed

ATS job change feed and career page API for Greenhouse, Workday, Lever, Ashby, Workable, Personio, Recruitee and Teamtailor. Monitor normalized job postings and receive CREATED, UPDATED and CLOSED events while failed sources retain their last healthy state.

Validate cron expressions and compute next run times via a simple HTTP API.

🔥 7-DAY LAUNCH SPRINT (May 1–8, 2026): First 100 runs free for new users. Parse and validate cron expressions with human-readable explanations. Calculate next run times, generate expressions from natural language, and access common presets. Supports standard and extended cron syntax.

PainPoint Radar: Startup Idea Generator from Reddit

ornamental_oversight/pain-point-discovery

Scrape pains from Reddit, HN, GitHub & more → Auto-generate validated startup ideas with MVP suggestions. Discover and validate startup ideas by analyzing real user pain points from 7 platforms. Perfect for indie hackers, founders, and product managers seeking idea validation.

Home Services Lead Finder - HVAC, Plumbing, Roofing

seibs.co/home-services-lead-finder

Enriched Google Maps leads for US home services contractors. Email, tech stack (ServiceTitan/Housecall Pro/Jobber/FieldEdge), license numbers, service area, social profiles. Built for sales teams selling INTO contractors and PE firms rolling them up.