Software Alternatives, Accelerators & Startups

Ellty VS s3-lambda

Compare Ellty VS s3-lambda and see what are their differences

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.

Ellty logo Ellty

Virtual Data Room for Startups and Investors

s3-lambda logo s3-lambda

Lambda functions over S3 objects: each, map, reduce, filter
  • Ellty Analytics
    Analytics //
    2025-11-25
  • Ellty Secure document sharing and tracking
    Secure document sharing and tracking //
    2025-08-05

Ellty is a secure document sharing platform with data rooms and page-by-page analytics. Built for fundraising, M&A, and client deliverables. Track engagement, control access, and close deals faster.

  • s3-lambda Landing page
    Landing page //
    2022-11-04

Ellty

Website
ellty.com
$ Details
freemium $35 / Monthly
Platforms
Web
Release Date
2020 April
Startup details
Country
Australia
State
Victoria
City
Melbourne
Founder(s)
Iuliia Taskina
Employees
1 - 9

s3-lambda

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

Ellty features and specs

  • Page-by-page document analytics
    See exactly which pages viewers read, how long they spend, and what they skip. Make data-driven decisions.
  • Virtual data rooms
    Create secure spaces for due diligence with folder-level access controls and user role management.
  • Real-time engagement tracking
    Get instant notifications when documents are viewed. Monitor engagement as it happens.
  • Watermarks and access expiration
    Add dynamic watermarks with viewer details. Set automatic expiration dates for time-sensitive deals.

s3-lambda features and specs

  • Batch processing of S3 objects
    s3-lambda provides a straightforward way to perform batch operations on large numbers of S3 objects, enabling map, filter, and reduce-style processing over entire S3 buckets or prefixes without writing boilerplate code.
  • Familiar functional API
    The library uses a functional programming paradigm with operations like map, filter, and reduce, making it intuitive for JavaScript developers to process S3 objects using patterns they already know.
  • Built-in concurrency control
    s3-lambda handles parallel processing of S3 objects with configurable concurrency, allowing users to control how many operations run simultaneously and avoid overwhelming AWS resources or hitting rate limits.
  • Context-aware operations
    The library provides a context object within each operation that includes useful metadata about the current object being processed, simplifying access to S3 object properties during transformations.
  • Easy integration with Lambda
    Designed to work seamlessly within AWS Lambda functions, making it straightforward to set up event-driven, serverless pipelines for processing large volumes of S3 data without managing infrastructure.

Possible disadvantages of s3-lambda

  • Unmaintained project
    The repository appears to be no longer actively maintained, with limited recent commits and unresolved issues, which raises concerns about long-term reliability, security patches, and compatibility with newer AWS SDK versions.
  • Limited documentation
    The project's documentation is relatively sparse, lacking comprehensive examples, edge case handling guidance, and detailed API references, which can make it challenging for new users to adopt effectively.
  • AWS SDK version dependency
    The library depends on an older version of the AWS SDK for JavaScript, which may conflict with projects using the newer AWS SDK v3 and could miss out on performance improvements and features in updated SDKs.
  • Limited error handling flexibility
    The built-in error handling mechanisms are relatively basic, and handling partial failures or implementing sophisticated retry logic for individual object operations requires additional custom code from the developer.
  • Narrow scope of functionality
    The library is tightly focused on S3 object processing and does not integrate with other AWS services or provide utilities beyond basic map/filter/reduce operations, limiting its usefulness in more complex data pipeline scenarios.

Analysis of s3-lambda

Overall verdict

  • s3-lambda is a useful Node.js library for performing operations like map, reduce, and filter directly on S3 objects using Lambda, making it good for developers who need efficient, serverless-based batch processing of S3 data without managing infrastructure. It is well suited for smaller to medium projects but may not be actively maintained for enterprise-scale needs.

Why this product is good

  • Simplifies common S3 batch operations (map, filter, reduce) with a clean, functional API
  • Leverages AWS Lambda for scalable, serverless parallel processing of S3 objects
  • Reduces boilerplate code for iterating over and transforming large numbers of S3 objects
  • Open-source and free to use, allowing customization for specific workflows
  • Integrates well with existing AWS infrastructure and Node.js applications

Recommended for

  • Developers building serverless data pipelines on AWS
  • Teams needing to process or transform large sets of S3 objects without provisioning servers
  • Node.js developers looking for a functional programming approach to S3 operations
  • Projects with batch processing needs that fit within Lambda's execution limits
  • Prototyping or small-to-medium scale ETL tasks involving S3 data

Category Popularity

0-100% (relative to Ellty and s3-lambda)
Secure File Sharing
100 100%
0% 0
Database Tools
0 0%
100% 100
Secure Document Sharing
100 100%
0% 0
Relational Databases
0 0%
100% 100

User comments

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What are some alternatives?

When comparing Ellty and s3-lambda, you can also consider the following products

Papermark - Papermark is the open-source DocSend alternative with built-in analytics and custom domains.

DropSpot - Secure, client-encrypted file storage

TransferChain - Blockchain-based Secure & Private file sharing for everyone

Diode Collab - End-to-end encrypted messaging, file sharing, and browsing.

SafeTrigger - Zero-knowledge vault: Secure files, share on your terms.

Dropbox DocSend - Dropbox DocSend is a secure file and document sharing solution that gives users analytics and control of document in their critical workflows. Key features include sending documents as secure links, eSignature, and customizable virtual data rooms.