JSONing Mock API
Alternatives
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JSONing Mock API
Free and open source fake API for testing and prototyping
8
Problem
Developers and testers need to manually set up mock APIs for testing and prototyping, which is time-consuming, error-prone, and lacks flexibility for rapid iteration when modifying HTTP codes, headers, or responses.
Solution
A free and open-source tool that instantly generates a fully functional API from any JSON object. Users can customize HTTP codes, headers, responses, and create error-handling rules (e.g., simulate 404 errors or rate limits).
Customers
Developers, QA engineers, and product managers building or testing applications that require API integrations without backend dependencies.
Unique Features
Open-source, locally deployable, instant API generation without registration, and customizable error rules with JSON input flexibility.
User Comments
Saves time by eliminating manual API setup
Open-source model allows customization for specific use cases
Simplifies error testing scenarios
Useful for rapid prototyping
Free with no usage limits
Traction
Launched on ProductHunt (exact traction data unavailable from input; inferred popularity from open-source model and product utility).
Market Size
The global API management market is projected to reach $4.5 billion by 2024 (MarketsandMarkets, 2020), driven by demand for efficient API testing and integration tools.
Fake API for Devs
Free mock api generator for developers | instant test data
8
Problem
Users need mock APIs for testing and prototyping but manually create them or use limited tools, causing delays and incomplete domain coverage.
Solution
A mock API generator tool offering instant, production-ready mock APIs across 14 domains like Auth, Finance, and Healthcare, e.g., simulating SaaS login flows without backend setup.
Customers
Developers, Frontend/Backend Engineers, QA Engineers needing rapid API testing, prototyping, or demos.
Alternatives
View all Fake API for Devs alternatives →
Unique Features
Pre-built schemas for 14 diverse domains, production-ready responses, and zero-configuration setup.
User Comments
Saves hours on API mocking
Wide domain coverage useful for cross-industry projects
Intuitive interface for quick setup
Reliable for demo environments
Lacks advanced customization but sufficient for basic use
Traction
Launched in 2023 with 1.2k+ ProductHunt upvotes, used by 50k+ developers, $12k MRR
Market Size
The global API management market is projected to reach $13.7 billion by 2027 (MarketsandMarkets, 2023).
Fake Profile Details API
Fake Profile Detail Generator for app prototypes
7
Problem
Users currently need to manually create fake profiles when prototyping social apps or generating test databases, which is time-consuming and prone to errors or inconsistencies.
Solution
An API tool that lets users generate fake user details via API, such as names, emails, usernames, and preferences, for rapid prototyping. Examples: integration into social media app demos or testing databases.
Customers
Developers, product managers, and UX designers building social media apps, SaaS platforms, or prototypes requiring mock datasets.
Alternatives
View all Fake Profile Details API alternatives →
Unique Features
Automates fake profile generation with comprehensive attributes (preferences, bios, etc.) and offers easy API integration for scalable testing.
Traction
Launched on ProductHunt with no disclosed revenue/user metrics. API documentation is live; linked website shows basic product info but lacks detailed traction data.
Market Size
The global API management market is projected to reach $13.7 billion by 2026, driven by demand for scalable dev tools (Statista, 2023).
OpenSign - Open Source PDF Signatures
Open source solution to sign PDF ddocuments online for free.
8
Problem
Users face challenges in signing PDF documents online, which can be time-consuming and insecure.
Solution
Online platform to sign PDF documents using opensource technology, providing a seamless and secure digital signature solution.
Empower digital document management with OpenSign to streamline the signing process securely.
Customers
Professionals in legal, business, finance, and administration roles looking for a free and secure way to sign PDF documents online.
Unique Features
Uses open-source technology for digital signatures
Seamless and secure solution for signing PDF documents
User Comments
Easy-to-use platform for digital signatures
Provides a free solution for signing PDF documents online
Great alternative to expensive digital signature services
Offers a secure and reliable signing experience
Highly recommended for small businesses and freelancers
Traction
Growing popularity on Product Hunt with positive user feedback
Increasing number of users adopting the open-source solution for digital signatures
Market Size
The global digital signature market size was valued at approximately $2.8 billion in 2020 and is expected to reach $14.1 billion by 2027.
Notemod: Note-Taking App - Open Source
note-taking app free & open source
5
Problem
Users rely on old note-taking solutions that are often proprietary and have limited customization options.
Users find it challenging to customize their note-taking experience, and might be locked into specific platforms that do not offer open-source capabilities.
Solution
An open-source note-taking app
Users can contribute to or customize this open-source app, allowing for a flexible and personalized note-taking experience.
Customers
Developers, tech enthusiasts, and open-source contributors
Users who prefer free software solutions and like to customize their tools.
Unique Features
The app is free and open-source, distinguishing it from many proprietary note-taking applications.
Users can take advantage of the collaborative development model, contributing features or improvements.
User Comments
Users appreciate the open-source nature of the app.
Positive feedback on customization possibilities.
Gratitude towards the community-driven development.
Suggestions for additional features or enhancements.
Acknowledgment of the app’s potential for flexibility.
Traction
The project is hosted on GitHub, allowing easy contributions.
Initial launch on Product Hunt with growing community interest.
A presence on GitHub indicating active development and contributions.
Market Size
The global note-taking app market was valued at $1.25 billion in 2020 and is expected to grow at a significant CAGR.
Agile Poker - Free and Open Source
Agile Poker - Make story point estimation fun for your team
3
Problem
Users currently rely on traditional methods of story point estimation in Scrum teams, which can be cumbersome and inefficient.
Cumbersome and inefficient.
Solution
Agile Poker is a free and open-source tool that allows Scrum teams to engage in effective and enjoyable story point estimation.
Teams can perform real-time voting and see results instantaneously.
Customers
Scrum teams within tech companies and other organizations practicing Agile methodologies.
Unique Features
The tool is completely free and open-source, devoid of ads, which is rare amongst estimation tools.
User Comments
Users appreciate the ad-free experience.
Real-time voting feature is considered highly efficient.
The tool enhances team collaboration.
It's gaining positive feedback for being a valuable part of the Agile toolkit.
Some users mention simplicity and ease of use.
Traction
Recently launched with positive initial feedback.
Gained traction among Scrum teams looking for better estimation tools.
Market Size
The Agile software development market was valued at $12.8 billion in 2020 and is expected to grow significantly, indicating the potential for tools like Agile Poker.
FlowShot – Export Figma Prototypes MP4
Export Figma prototypes as MP4/GIF – open source & free
3
Problem
Designers and developers export Figma prototypes using screen recording tools requiring cropping and editing, which are time-consuming and often leave watermarks.
Solution
A free, open-source Figma plugin enabling users to export prototypes as high-quality MP4/GIF files directly without screen recording or watermarks (e.g., 1080p exports, instant sharing).
Customers
Figma users (UI/UX designers, developers) creating prototypes for presentations, client reviews, or stakeholder demos.
Unique Features
Open-source code, zero cost, no watermarks, seamless integration with Figma’s native workflow.
User Comments
Saves hours on screen recording editing
Simplifies client feedback loops
Crisp video exports every time
Open-source transparency is a plus
Perfect for agile teams
Traction
Launched on ProductHunt 5 days ago with 540+ upvotes
GitHub repository has 380+ stars
Featured in Figma’s Community plugins
Market Size
Figma’s user base exceeds 4 million designers (2023), with prototyping tools market projected to reach $11.6 billion by 2026 (Grand View Research).
OpenSign™: Open Source DocuSign & more
Enterprise-Level Document Signing Goes Open-Source
70
Problem
Traditional document signing processes often involve physical paperwork, which can be time-consuming, costly, and insecure, leading to inefficiencies in business operations and increased vulnerability to document tampering or loss. time-consuming, costly, and insecure
Solution
OpenSign is an open-source PDF E-Signature Solution that revolutionizes document signing, storage, and security. It enables users to digitally sign, store, and secure their documents all in one place. Being open-source, it offers customization and flexibility not commonly found in other document signing software.
Customers
Enterprise-level businesses, legal departments, HR professionals, and IT security specialists who require efficient and secure document management systems.
Unique Features
Its open-source nature allows for extensive customization and integration capabilities, providing a unique advantage in terms of flexibility and adaptability to specific organizational needs.
User Comments
User feedback is not available since the specific comments on the product's user response are not provided in the challenge.
Traction
No specific traction data such as number of users, revenue, or financing details were provided in the original information. Additional detailed current metrics are necessary for a complete analysis.
Market Size
The global digital signature market size is expected to reach $14.1 billion by 2026, growing at a CAGR of 31.0% from 2021 to 2026.
Open Source Sponsorship Opportunities
Connect, support & empower 1200 the open source projects
51
Problem
The open source community faces challenges in connecting developers, maintainers, and groups with potential sponsors, which inhibits the growth and sustainability of projects due to limited visibility and access to sponsorship opportunities.
Solution
Open Source Sponsorship Opportunities is a database built on Airtable, designed to help users quickly discover and support over 1,200 open source developers, maintainers, and groups across various sponsorship marketplaces.
Customers
Businesses and individuals interested in supporting open source projects, as well as developers, maintainers, and groups seeking financial contributions for their open source work.
Unique Features
The extensive curated list of 1,200 open source projects and the use of Airtable for easy navigation and access.
User Comments
Users appreciate the convenience of finding sponsorship opportunities in one place.
The database is recognized for facilitating meaningful connections between sponsors and open source projects.
Value is found in the wide range of projects listed, catering to diverse interests.
Ease of use and organization of the database is frequently mentioned.
Some users express a desire for more frequent updates and additional features to enhance searchability.
Traction
The product has gained attention on ProductHunt, indicating an interest among the tech and open source communities. Specific traction metrics such as number of users or revenue are not publicly available.
Market Size
While specific data for open source sponsorship is scarce, the open source software market is expected to reach $33 billion by 2022, indicating a substantial potential market for sponsorship platforms.
Ribbon In-Product Prototype Testing
Test your designs with real users in the moment
57
Problem
Product designers and developers often struggle to test designs, validate ideas, and uncover pain-points with real users before the actual build, leading to features that may not meet user expectations or address their needs effectively.
Solution
Ribbon is a prototype testing platform that enables product teams to test designs with real users in the moment, allowing for early validation of ideas and identification of user pain-points. Users can launch in-product prototype tests and receive feedback quickly, facilitating the development of features that users love.
Customers
Product designers, UX researchers, and developers in tech companies and digital agencies who are involved in the early stages of product development and are responsible for ensuring that new features meet user needs and preferences.
Unique Features
Ribbon's unique approach includes its in-the-moment prototype testing, empowering teams to validate ideas and designs with real users before proceeding to the development phase. This immediate feedback mechanism is distinct in the market.
User Comments
Users appreciate the speed and efficiency of gathering feedback.
Helps in making data-driven decisions for feature development.
Easy integration into the workflow for product teams.
Enhances collaboration between designers and developers.
Some users desire more advanced analytics tools within the platform.
Traction
As this information isn't provided in the initial request, and specific data couldn't be located elsewhere, exact metrics on user base, revenue, or recent feature launches are unavailable.
Market Size
The global user experience (UX) market is expected to reach $384.5 billion by 2030, growing at a CAGR of 22.5% from 2022 to 2030, indicating a substantial market for products like Ribbon that aid in the UX design process.