ali - Generate HTTP load and plot the results in real-time

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ali is a load testing tool capable of performing real-time analysis, inspired by vegeta and jplot. It comes with an embedded terminal-based UI where you can plot the metrics in real-time, so lets you perform real-time analysis on the terminal.

http-server-testing performance-testing load-testing benchmarking-tool testing-tools http-performance-testing concurrent visualization tui

SuperTokens - Open source alternative to Auth0 / Firebase Auth / AWS Cognito

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SuperTokens is an open source alternative to Auth0 / Firebase Auth / AWS Cognito. It supports authentication using email ID and password, Social logins (Google, Facebook, Apple, Github + adding custom providers), Forgot password flow using email, Secure session management, Email verification.

authentication login password auth0 session-management passportjs signin aws-cognito social-login firebase-auth email-password email-password-login social-authentication authentication-service auth0-alternative

Milvus - An open-source vector database for embedding similarity search and AI applications

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Milvus is an open-source vector database built to power embedding similarity search and AI applications. Milvus makes unstructured data search more accessible, and provides a consistent user experience regardless of the deployment environment. Milvus 2.0 is a cloud-native vector database with storage and computation separated by design. All components in this refactored version of Milvus are stateless to enhance elasticity and flexibility.

database ai vector nearest-neighbor-search cloud-native image-search approximate-nearest-neighbor-search hacktoberfest embedding similarity-search video-search faiss anns hnsw vector-search milvus vector-database embeddings-similarity artificial-intelligence

Elasticlunr.js - Lightweight full-text search engine in Javascript for browser search and offline search

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Elasticlunr.js is a lightweight full-text search engine in Javascript for browser search and offline search. Elasticlunr.js is developed based on Lunr.js, but more flexible than lunr.js. Elasticlunr.js provides Query-Time boosting and field search. Elasticlunr.js is a bit like Solr, but much smaller and not as bright, but also provide flexible configuration and query-time boosting.

searchengine search-engine offline-search solr javascript-searchengine

Tooljet - Internal tool builder. An alternative to Retool, AppSmith, JetAdmin, Internal.io etc

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ToolJet is an open-source no-code framework to build and deploy internal tools quickly without much effort from the engineering teams. You can connect to your data sources such as databases ( like PostgreSQL, MongoDB, Elasticsearch, etc ), API endpoints ( ToolJet supports importing OpenAPI spec & OAuth2 authorization) and external services ( like Stripe, Slack, Google Sheets, Airtable ) and use our pre-built UI widgets to build internal tools.

internal-tools reactjs self-hosted ruby-on-rails no-code rails6 retool appsmith jetadmin no-code-framework

How Debuggers Work

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The first thing I do when I create a project is to create the debugger launch config at the `.vscode` folder. Debuggers help me to avoid putting print statements and building the program again. I always wondered how a debugger can stop the program on the line number I want and be able to inspect variables. Debugger workings have always been dark magic for me. At last, I managed to learn dark art by reading several articles and groking the source code of delve.

golang debug

Zingg - Open source deduplication, data mastering and entity resolution

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As enterprises struggle to save and analyze more and more data, data quality suffers. Real world data contains multiple records belonging to the same customer. These records can be in single or multiple systems and they have variations across fields which makes it hard to combine them together, especially with growing data volumes. This hurts customer analytics and no AI algorithm for segmentation can produce right results.

zingg artificial-intelligence machine-learning data deduplication entity-resolution

Glific - Open Source Two Way Communication Platform for Social Sector Organizations

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Glific is an open source two way communication platform with primary focus on helping social sector organizations to interact with millions of beneficiaries concurrently through automated messages with rich media content and manual intervention wherever required. With Glific one can design flows to automate conversations, see how each of the beneficiaries is interacting with the bot and measure engagement.

glific elixir communication architecture social-sector

COVID19 Stats using Angular Material Design

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Material design is inspired from the real world building architecture language. It is an adaptable system of guidelines, components, and tools that support the best practices of user interface design. Backed by open-source code, Material streamlines collaboration between designers and developers, and helps teams quickly build beautiful products. In this article, we will build COVID stats using Angular Material design.

angular material-design covid covid-stats

Apache OpenNLP - Document Classification

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Apache OpenNLP is a library for natural language processing using machine learning. In this article, we will explore document/text classification by training with sample data and then execute to get its results. We will use plain training model as one example and then training using Navie Bayes Algorithm.

opennlp natural-language-processing nlp document-classification

Uber's open source technology stack

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Uber, a taxi aggregation platform operates around the globe. It was started as monolith application and later re-architected as bunch of microservices, which gives them scalability. Uber uses lot of open source tools and they have contributed quite a lot projects back to the community. This article is about analyzing Uber's open source technology stack.

uber open-source stack technology-stack

Stackoverflow Open Source Technology Stack

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Stackoverflow is one of most widely used Q&A platform. It is the default choice of developers. It has over 100 million page views in a month and its Google page rank is 60. Check out its open source technology stack, the tools used to build such a popular website. Stackoverflow uses open source projects and also contributes to it.

stack software-used stackoverflow-architecture stackoverflow-stack

Open Source Technology Stack used in WhatsApp

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WhatsApp is a most widely used cross-platform mobile messaging app for iPhone, BlackBerry, Android, Windows Phone and Nokia. Users can send text, images videos, audio for free. It almost replaced SMS. It changed the way people interact with each other. Lets check out the technology behind WhatsApp

whatsapp chat messaging-app

Free and Open source tools to build OpenJDK in Windows

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OpenJDK is the open source implementation of Java Standard Edition. Oracle (Sun) JDK implementation is going to be based on OpenJDK. OpenJDK and Oracle JDK are almost similar. There are ready made binaries available for Linux distribution but you may need to build OpenJDK on windows.

java openjdk build-tools

Zimbra - Enterprise Email Server Stack

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Zimbra is a Enterprise messaging and collaboration software. It is a good alternative to Microsoft Exchange server. Zimbra is a Email Server but they have not written anything related to SMTP server, rather they have integrated well know open source email server in to its package. Zimbra is a system of well connected / integrated multiple open source software which delivers enterprise quality to it. This article explains most important components which helps to build the enterprise product.

software-used stack mail-server