Quartz
Open source library for scheduling Java application jobs
- Also known as
- quartz
What is Quartz?
A job scheduling library for integrating into Java applications, ranging from small standalone programs to large e-commerce systems.
Quartz pricing
We don't have Quartz's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Quartz does
The capabilities that matter for cron scheduling, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Deployment
- Library
- Cron expression support
- -
- Timezone aware scheduling
- -
- Job dependency chaining
- -
- Ha clustering
- -
- Retry on failure
- -
- Missed run alerting
- -
- Web UI dashboard
- -
- API first
- -
- Audit logging
- -
- RBAC
- -
- Open source
- ✓
- Pricing model
- Open source
Security & compliance
Known vulnerabilities: 1 (0 in the last 12 months), max severity CRITICAL sourcea count reflects scale & disclosure, not quality
Quartz FAQ
Common questions about Quartz, answered from independent, dated evidence.
What is Quartz?
A Java library that adds scheduling capabilities to applications, allowing developers to define when and how tasks execute—from single recurring operations to thousands of parallel jobs in production environments. It is indexed under Cron Scheduling.
Source: https://www.quartz-scheduler.org
Is Quartz free to use?
Quartz is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://www.quartz-scheduler.org
Is Quartz open source?
Yes. Quartz is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Quartz alternatives
Other cron scheduling we track, ranked by the same independent score.
- CronitorMonitoring and alerting service for developers managing cron jobs, websites, APIs, and background systemshigh · 75%
- AWS EventBridge SchedulerEvent-driven task execution engine that operates at scalemedium · 56%
- cron-job.orgCloud-hosted scheduling and execution of HTTP requests and scripts at custom intervals, completely free.low · 30%
- dkronA distributed job scheduler that runs cron jobs across clusters without single points of failurelow · 36%
- RundeckOpen-source platform for automating and executing operational procedureslow · 30%
- HangfireA background job processing framework for .NET applications that operates without requiring a separate Windows Service or external processlow · 28%
Compare Quartz
Side by side against other cron scheduling, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Quartz, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Dependent projects | 75 | 0.08 | 6.0 | ✓ |
| Development activity | 34 | 0.12 | 4.1 | ✓ |
| Security score | 57 | 0.05 | 3.0 | ✓ |
| Capabilities | 29 | 0.08 | 2.4 | ✓ |
| Stars | 72 | 0.03 | 2.4 | ✓ |
| Integrations | 0 | 0.05 | 0.0 | - |
| Release cadence | 0 | 0.07 | 0.0 | ✓ |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 11 | mediumsource · 2026-10-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 3 items | mediumsource · 2026-09-10 · 72% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Deployment: library · Open source: Yes · Pricing model: open_source | mediumsource · 2026-10-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Java | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-14 · 95% |
Pricing
Release
Security
Is Quartz the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Quartz against the rest of the cron scheduling we index, using the same dated evidence weighted your way.
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