Software Alternatives & Startups

ZelNum VS Deadpendency

Compare ZelNum VS Deadpendency and see what are their differences

ZelNum

Turn CSV/TXT lists into actionable segments with phone validation, carrier and HLR intelligence, messaging-app, social-account, and crypto-exchange checks, plus API workflows.

Rating
0 reviews
Pricing
Freemium $1 (10,000 WhatsApp number checks)
Deadpendency

Automated software dependency project health tracking

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Deadpendency seems to be more popular. It has been mentioned 2 times since March 2021.

social mentions
0 vs 2
Data Validation popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

ZelNum
Deadpendency
Website zelnum.com deadpendency.com
Pricing
Freemium $1 (10,000 WhatsApp number checks) Official pricing
Platforms
Web REST API SaaS
—
Company 2026 —
Listed in

About ZelNum and Deadpendency

In their own words, as submitted to SaaSHub.

ZelNum
Deadpendency

ZelNum is a self-service bulk verification and data-quality platform for phone intelligence, messaging apps, social and consumer accounts, and crypto exchanges. Upload CSV or TXT lists to check phone status, live activity, carrier and line type, HLR-style network signals, phone model, and...

Read more about ZelNum

No description of Deadpendency yet.

Features and specs

What each product offers, as listed by its team.

ZelNum 11 features
Deadpendency 5 features
  • Bulk Phone Validation
    Validate, normalize and segment phone numbers from CSV or TXT files.
  • Messaging App Checks
    Check selected phone-number and account signals across WhatsApp, Telegram, Facebook, iMessage, RCS, Zalo, LINE, and Viber.
  • Carrier and HLR Lookup
    Identify carrier, country, line type, and HLR-style network signals.
  • Phone Status and Activity Checks。
    Identify active, inactive, risky, and recently active numbers where supported.
  • Social Account Checks
    Check phone- and email-based account signals across Instagram, TikTok, LinkedIn, Snapchat, Signal, BAND, Amazon, Apple ID, and Microsoft.
  • Crypto Exchange Account Checks
    Check supported phone and email account signals across Binance, KuCoin, CoinW, and HTX.
  • Email Account Checks
    Check email-based account signals across supported platforms and services.
  • Phone Model Detection
    Detect the phone brand and model associated with a mobile number where available.
  • List Cleaning and Segmentation
    Remove duplicate or invalid records and export structured result segments.
  • CSV/TXT Bulk Uploads
    Upload contact lists for batch verification, cleaning, and segmentation.
  • REST API Workflows
    Submit batch tasks, monitor processing status, retrieve results, and integrate verification into applications.
  • Automated Dependency Monitoring
    Deadpendency automatically checks your project's dependencies for signs of being dead, unmaintained, or deprecated, saving developers from manually tracking the health of each dependency.
  • GitHub Integration
    Deadpendency integrates directly with GitHub as a GitHub App, making it easy to set up and run as part of your existing pull request and CI workflow without requiring additional infrastructure.
  • Early Warning System
    By catching dead or unmaintained dependencies early, Deadpendency helps teams avoid security risks and technical debt that come from relying on abandoned libraries.
  • Multi-Language Support
    Deadpendency supports a wide range of programming languages and package ecosystems, making it useful for polyglot projects and diverse development teams.
  • Low Configuration Overhead
    The tool is designed to work out of the box with minimal configuration, allowing teams to get value quickly without spending significant time on setup and customization.

Possible disadvantages

  • Limited to GitHub
    Deadpendency is primarily a GitHub App, which means teams using other platforms like GitLab or Bitbucket cannot easily use the service without switching or mirroring their repositories.
  • Potential False Positives
    The tool may flag dependencies as dead or unmaintained based on activity metrics, even when a library is stable and simply mature, leading to unnecessary concern or migration efforts.
  • Niche Use Case
    Dependency health checking is a relatively narrow function. Teams may prefer more comprehensive dependency management tools that also handle vulnerability scanning, license compliance, and version updates in one solution.
  • Reliance on External Signals
    Deadpendency relies on external signals like repository activity and release frequency to determine dependency health, which may not always accurately reflect the true maintenance status of a project.
  • Limited Community and Ecosystem
    As a relatively niche tool, Deadpendency has a smaller user community compared to alternatives like Dependabot or Renovate, which can mean fewer resources, community support, and third-party integrations.

Analysis

An editorial look at what each product does well and who it suits.

ZelNum
Deadpendency

Overall verdict

  • BulkChecker.io appears to be a bulk email/domain verification tool designed to help users validate large lists of email addresses to reduce bounce rates and improve deliverability, but as I don't have verified, up-to-date information on this specific service, I'd recommend researching current user reviews, checking recent uptime/accuracy reports, and testing with a small sample before committing to a larger plan.

Why this product is good

  • Bulk verification tools generally save time by processing large email lists quickly compared to manual checks
  • Such services typically help improve email deliverability by removing invalid or risky addresses before sending campaigns
  • May offer API access for integration into existing workflows or CRM systems
  • Often provide tiered pricing that can scale with list size, potentially cost-effective for growing needs

Recommended for

  • Email marketers needing to clean large subscriber lists before campaigns
  • Businesses looking to reduce bounce rates and protect sender reputation
  • Developers wanting API-based email validation integration
  • Users who should independently verify current pricing, accuracy rates, and customer support quality before relying on this specific service

Overall verdict

  • Deadpendency is a solid choice for teams needing automated dependency health monitoring, particularly for tracking deprecated, unmaintained, or archived packages that traditional vulnerability scanners often miss, integrating cleanly into CI workflows via GitHub Actions.

Why this product is good

  • Focuses specifically on dependency 'deadness' (deprecated, archived, unmaintained packages) rather than just security vulnerabilities, filling a gap left by tools like Dependabot
  • Simple integration as a GitHub Action, making it easy to add to existing CI/CD pipelines without heavy configuration
  • Provides clear, actionable reports that help developers proactively address technical debt before it becomes a security or maintenance liability
  • Supports multiple language ecosystems, offering broad applicability across different tech stacks
  • Lightweight and automated approach reduces manual auditing effort for dependency health

Recommended for

  • Development teams wanting to proactively manage technical debt in their dependency trees
  • Open source maintainers looking to keep their projects' dependencies healthy and current
  • Organizations using GitHub Actions for CI/CD who want an easy-to-integrate dependency health check
  • Security-conscious teams who want visibility into unmaintained packages that could pose future risks
  • Projects with many dependencies where manual tracking of deprecation status is impractical

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
ZelNum
Deadpendency
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing ZelNum and Deadpendency.

Why should a person choose your product over its competitors?

ZelNum's answer

ZelNum supports multiple verification types, usage-based pricing, downloadable result segments, and task-based API processing without requiring a subscription.

How would you describe the primary audience of your product?

ZelNum's answer

Marketing teams, CRM operators, developers, agencies, community managers, and businesses that need to clean or enrich large contact lists.

What makes your product unique?

ZelNum's answer

ZelNum combines phone validation, carrier lookup, WhatsApp and Telegram checks, and other account signals in one bulk CSV/TXT and API workflow.

User comments

Share your experience with using ZelNum and Deadpendency. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

ZelNum 0 mentions
Deadpendency 2 mentions

Tracking ZelNum since Jul 2026.

  • Deadpendency Open Sourced
    I created a tiny startup in Haskell which failed RIP. I decided to open source the code though. Source: over 3 years ago
  • Twitch Streamers?
    I sometimes stream my Haskell work on deadpendency - https://www.twitch.tv/alistairbuzz. Source: over 5 years ago

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