ust-know open-source tools to land your dream job in 5

AI is reshaping the job landscape, but not in the way the media portrays it. We need more problem solvers than ever before. New fields, new tech, and new markets are emerging rapidly.

As software developers, you’ll have to keep an eye on all this new stuff to stand out in the market. But finding what to learn can be hard.
So, I have curated a coveted list of tools that will keep you relevant and improve your chances of landing a job.

So. let’s go.

Composio ? - The integration platform for AI agents

I can bet my life (not really! but you got the point) that AI agents will be super popular. New products will be entirely operated using agents. However, to make agents actually capable, you need to connect them to external apps.

If you are creating an AI engineering agent, it must access GitHub, Liner, Jira, Slack, etc., to be truly useful. Composio does this. We let you connect over 250 apps to automate complex tasks.

We manage the authentication like OAuth, so you can build features that matter.

This is an emerging market with many activities. Learning this will instantly make your CV cooler.

Getting started with Composio is easy.

pip install composio-core

Add a GitHub integration.

composio add github

Composio handles user authentication and authorization on your behalf.

Here is how you can use the GitHub integration to star a repository.

from openai import OpenAI
from composio_openai import ComposioToolSet, App

openai_client = OpenAI(api_key="******OPENAIKEY******")

# Initialise the Composio Tool Set
composio_toolset = ComposioToolSet(api_key="**\\*\\***COMPOSIO_API_KEY**\\*\\***")

## Step 4
# Get GitHub tools that are pre-configured
actions = composio_toolset.get_actions(actions=[Action.GITHUB_ACTIVITY_STAR_REPO_FOR_AUTHENTICATED_USER])

## Step 5
my_task = "Star a repo ComposioHQ/composio on GitHub"

# Create a chat completion request to decide on the action
response = openai_client.chat.completions.create(
model="gpt-4-turbo",
tools=actions, # Passing actions we fetched earlier.
messages=[
    {"role": "system", "content": "You are a helpful assistant."},
    {"role": "user", "content": my_task}
  ]
)

Run this Python script to execute the given instruction using the agent.

Composio works with famous frameworks like LangChain, LlamaIndex, CrewAi, etc.

For more information, visit the official docs, and for even more complex examples, see the repository's example sections.

Star the Composio repository ⭐

2. UV by Astral - The fastest Python package manager

If you write Python in any capacity, this is a must. Probably the best solution for Python’s messy package management ecosystem. It’s a single tool that replaces pip, pip-tools, pipx, poetry, pyenv, twine, virtualenv, and more.

It's written in Rust and can manage Python versions, install applications, have a cargo-like workspace, and, most importantly, be 100x times faster than pip.

Getting started with it is easy.

curl -LsSf https://astral.sh/uv/install.sh | sh

Using pip

pip install uv

uv manages project dependencies and environments, with support for lock files, workspaces, and more, similar to rye or poetry:

$ uv init example
Initialized project `example` at `/home/user/example`

$ cd example

$ uv add ruff
Creating virtual environment at: .venv
Resolved 2 packages in 170ms
   Built example @ file:///home/user/example
Prepared 2 packages in 627ms
Installed 2 packages in 1ms
 + example==0.1.0 (from file:///home/user/example)
 + ruff==0.5.7

$ uv run ruff check
All checks passed!

See the project documentation to get started.

Download Python versions as needed:

pip install composio-core

Use a specific Python version in the current directory:

composio add github

See the Python installation documentation to get started.

Star the UV repository ⭐

3. Pydantic - Data validation using Python type hints

Oh boy! It is among the best tools I have used with Python and is responsible for keeping it relevant along with Numpy, Sklearn, etc..

Pydantic elevates Python's type hinting to a new level by providing runtime data validation and parsing based on those hints. Whether dealing with API responses, configuration files, or complex nested data, Pydantic ensures your inputs are clean and well-structured without requiring extensive boilerplate code.

You can explore Zod if you want similar things in the Javascript ecosystem.

Install it with pip or uv.

from openai import OpenAI
from composio_openai import ComposioToolSet, App

openai_client = OpenAI(api_key="******OPENAIKEY******")

# Initialise the Composio Tool Set
composio_toolset = ComposioToolSet(api_key="**\\*\\***COMPOSIO_API_KEY**\\*\\***")

## Step 4
# Get GitHub tools that are pre-configured
actions = composio_toolset.get_actions(actions=[Action.GITHUB_ACTIVITY_STAR_REPO_FOR_AUTHENTICATED_USER])

## Step 5
my_task = "Star a repo ComposioHQ/composio on GitHub"

# Create a chat completion request to decide on the action
response = openai_client.chat.completions.create(
model="gpt-4-turbo",
tools=actions, # Passing actions we fetched earlier.
messages=[
    {"role": "system", "content": "You are a helpful assistant."},
    {"role": "user", "content": my_task}
  ]
)

Here’s a simple example.

curl -LsSf https://astral.sh/uv/install.sh | sh

Producer: Sending messages to a queue.

pip install uv

Consumer: Receiving messages from a queue.

$ uv init example
Initialized project `example` at `/home/user/example`

$ cd example

$ uv add ruff
Creating virtual environment at: .venv
Resolved 2 packages in 170ms
   Built example @ file:///home/user/example
Prepared 2 packages in 627ms
Installed 2 packages in 1ms
 + example==0.1.0 (from file:///home/user/example)
 + ruff==0.5.7

$ uv run ruff check
All checks passed!

Check out the documentation for more.

Explore the RabbitMQ repository ⭐

6. Sentry - Application monitoring system

If you care about the stability of your apps, Sentry is a must-have. It’s the ultimate solution for tracking errors, performance issues, and application health in real time. Whether you’re building for the web, mobile, or desktop, Sentry integrates seamlessly to help you debug faster and wiser.

With its detailed stack traces, breadcrumbs, and user context, you get everything you need to pinpoint the root cause of issues. But it doesn’t stop there—Sentry also helps you monitor app performance with features like transaction tracing and custom metrics.

Check out the documentation to know more.

Explore the Sentry repository ⭐

7. Grafana - Visualize your data like never before

If you need to monitor metrics, logs, or traces, Grafana is the go-to tool. It’s an open-source platform that turns your raw data into beautiful, interactive dashboards, making it easy to understand what’s happening in your systems.

Grafana integrates with virtually any data source—Prometheus, Elasticsearch, InfluxDB, AWS CloudWatch, and more.

It is definitely one of those tools you may find in almost all organizations.

Explore the Sentry repository ⭐

8. LangGraph - Build AI agents with states

If you’ve ever wished for a better way to manage AI agents with complex workflows, LangGraph is the answer. It’s a framework for building stateful AI agents that can easily handle multi-step processes, decision-making, and context retention.

We built our own SWE agent in LangGraph, which scored 48.60% on the SWE-Bench, a benchmark for testing the efficacy of AI coding agents.

Install LangGraph.

pip install composio-core

Add API keys for Tavily and OpenAI to environment variables.

composio add github

Please read this to understand the flow of the example. Also, please check out the documentation on LangGraph for more information.

Star the LangGraph repository ⭐

9. Selenium - Browser Automation Framework

Every tech professional encounters browser automation at some point in their career. Many companies rely on Selenium for various tasks, including web automation, testing, and scraping dynamic content.

Selenium make it easy for developers to control web browsers programmatically, enabling them to simulate user interactions such as clicking buttons, filling out forms, and navigating between pages

It is available in programming languages.

Install Selenium in Python with pip.

from openai import OpenAI
from composio_openai import ComposioToolSet, App

openai_client = OpenAI(api_key="******OPENAIKEY******")

# Initialise the Composio Tool Set
composio_toolset = ComposioToolSet(api_key="**\\*\\***COMPOSIO_API_KEY**\\*\\***")

## Step 4
# Get GitHub tools that are pre-configured
actions = composio_toolset.get_actions(actions=[Action.GITHUB_ACTIVITY_STAR_REPO_FOR_AUTHENTICATED_USER])

## Step 5
my_task = "Star a repo ComposioHQ/composio on GitHub"

# Create a chat completion request to decide on the action
response = openai_client.chat.completions.create(
model="gpt-4-turbo",
tools=actions, # Passing actions we fetched earlier.
messages=[
    {"role": "system", "content": "You are a helpful assistant."},
    {"role": "user", "content": my_task}
  ]
)

You must install Chrome Webdriver for Chromium-based browsers and Gecko Driver for Firefox browsers.

Here’s an example of using Selenium with ChromeDriver:

curl -LsSf https://astral.sh/uv/install.sh | sh

Explore the Selenium repository ⭐

Thank you for reading. Do mention any other tools you use heavily at your workplaces.

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