IdliStack takes powerful open-source tools and makes them ridiculously easy to deploy and run for social impact organisations. Instead of wrestling with servers and configurations, they can now focus on using the tools to do their work.

A managed infrastucture providing infrastructure that is affordable, secure and maintained.

Named after the humble idli because good technology should be:

Comfortable.
Reliable.
Easy to digest.

A quick look into the reality most nonprofits know too well

Technology in the social impact world usually grows… accidentally. A spreadsheet here. A donor tracker there. Someone signs up for a tool during a crisis before a grant report is due. Before long, you have:

five tools doing similar things
data scattered across folders
systems nobody fully understands anymore

None of this happens because organisations are careless. It happens because technology decisions are often made under pressure, without the time or resources to think about sustained adoption. Meanwhile expectations keep rising.

Funders want structured reporting.
Teams need real-time visibility.
Leadership wants better insight into programs and fundraising.

And suddenly the humble spreadsheet is expected to do the job of a full system.

Looking at systems

We don’t start with tools. We start with the way organisations work.

Often the first step is simply helping organisations understand where they stand today.
Through structured technology maturity assessments, we map how people, processes and tools interact within an organisation from fundraising workflows to communication systems and reporting structures. This helps teams move away from reactive tool adoption and toward a clearer technology roadmap aligned with their mission and growth stage.

Philosophy: we champion open-source tools where relevant, so organisations retain control over their data and have freedom over infrastructure and long-term technology choices.

Sometimes the answer is adopting an existing open-source tool.
Sometimes it’s redesigning a website.
Sometimes it’s simply helping a team untangle a workflow that has grown messy over time.

The idea for IdliStack grew slowly, out of countless small moments: helping a team revive a broken deployment, finding yet another organisation trapped by cloud credits, watching open-source tools struggle to take root because the setup was just too hard.After seeing the same struggles repeat across from small grassroots groups to large nonprofits, we were confronted with the reality that the sector needed lasting infrastructure, where technology can enable. Something steady, affordable, and simple enough for everyone to use.Named after the humble idli. Because good tech should be soft, reliable, and easy to digest.

It turns complex open-source tool deployments into one-click experiences and cuts hosting costs through smart, managed infrastructure.

The Infrastructure Behind This Work

Over time we kept seeing the same problems.

There are many brilliant open-source tools available today. But in reality, running them is another story.

-Deployments and configurations are challenging.
-Cloud bills quietly grow.
-Free credits disappear just when things start working.

We realised the sector needs something deeper. Infrastructure.

So we built something to make this easier.

Through workshops, cohort programs, and hands-on deployments, we help nonprofits think about technology as a combination of

At its core, IdliStack solves three annoyingly common problems.

Managed hosting that doesn’t surprise you later

Many nonprofits run into issues like:

IdliStack provides secure, shared infrastructure to host tools & websites with predictable, nonprofit-friendly pricing so teams can realistically plan their technology budgets.

Deploying open-source tools without needing a DevOps team

IdliStack turns tool deployments into a few simple steps instead of a week-long technical adventure.

No DevOps degree required.

Tools that actually make sense for nonprofit workflows

The platform hosts a growing collection of open-source tools that support everyday nonprofit work from fundraising to communications to internal coordination.

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Tools on the stack

Many nonprofits need a simple, reliable communications stack:

a website to tell their story, an email newsletter manager to segment audiences and reach supporters, a fundraising system to track donors, and internal tools to track conversations and coordinate work across programs.

IdliStack helps organisations assemble and run this stack without needing a dedicated engineering team.

Each tool runs on shared infrastructure so organisations don’t have to worry about servers, updates, or maintenance.

Fundraising Management System (FMS): a system built by the T4GC to help organisations manage donor pipelines, grants and fundraising strategy.

Ghost: a simple, clean publishing platform used by many nonprofits for websites and storytelling.

ListMonk: an efficient email campaign system for newsletters and large-scale mailing lists.

Mattermost: a secure team communication tool for organisations that prefer not to rely entirely on messaging apps.

Whatomate: a chatbot to answer questions, coordinate volunteers, and provide assistance at scale through WhatsApp.

Rforum: built by T4GC, a live presentation platform that engages audiences with polls, Q&A, and feedback while simplifying event management.

Click here to know more about these tools

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Fundraising Management System

Our FMS grew out of dozens of conversations with nonprofits about a surprisingly universal headache: fundraising data. Donor relationships, grant timelines, budgets and reports often live in separate places. Keeping them aligned can be exhausting.

So we worked with more than twenty organisations to design a system that brings these pieces together.

Today the platform is used by organisations including:

Like most good open-source projects, it continues to evolve based on feedback from the people who use it every day.

Simple, Secure Hosting

We built IdliStack to end the hosting headaches nonprofits face: unpredictable cloud bills, free-credit traps, vendor lock-ins, and sprawling VMs. Our hosting is simple, secure, affordable, and built for real-world nonprofit workflows.

Easy Access to Open-Source Tools

IdliStack makes powerful open-source software instantly usable. We take the brilliant work of the open-source community and make it deployable in a few clicks, bringing sector-ready tools straight to nonprofits’ doorsteps.

Available now on IdliStack: Fundraising Management System (FMS)

When we launched FOSSFwd, our open-source enablement program with a goal of supporting 40 nonprofits in a year, within 8 months we were swamped with 380+ requests, ranging from data migration, tech audits to total system rip and rebuilds. From cities to grassroots, these nonprofits reflect the full spectrum of our realities addressing urgent challenges at every level.

Almost 50% of them centered around fundraising operations.

Fundraising is the core to how nonprofits run, and the systems need to adapt to each of their unique mission and workflows. This is where our open source philosophy came to play.

Instead of jumping straight into big bespoke builds, we have taken a partnership first model, grounded in listening, and keeping the systems flexible enough to grow.

With the Fundraising Management System, nonprofits can automate repetitive tasks that frees up capacity for smaller teams. The system keeps data clean, maintains continuity as teams grow, and reduces reliance on costly custom systems.

The System Enables:

Centralize lead and donor data (no more “version_final_FINAL_v2.xlsx”)

Track grants, donor pipelines, budgets and expenses with precision.

Plan fundraising strategies and budgets based on evidence, not guesswork.

Want a peek into the hood? We'll bring the demo, you bring the questions. Hit us up, we're just a message away.

The Builders

Meet the dream team behind the powering of our open source Fundraising Management System

We’re a quirky team of code wizards, problem solvers, and caffeine-fueled optimizers on a mission to build nonprofits the ultimate fundraising toolkit. From backend ninjas to strategy gurus, we bring smarts, heart, and laughs daily, crafting people first systems that help teams punch above their weight. Get ready to meet the juggernaut making fundraising simpler, efficient, and way more fun.

Praveen

Builds backends and banquets

Our head of engineering and the calm backbone of FMS, Praveen pairs deep foresight with quiet brilliance. He’s a mentor who codes with clarity, leads with humility, and celebrates like a chef, feeding minds and stomachs alike. When he smiles mid-silence, you know a tricky problem just met its match.

Akhila

Builds systems, lifts teams (and actual weights)

She is the engine behind our Fundraising Management System. She’s a ruthless optimizer, sharp project manager, and team amplifier rolled into one. A powerlifter at the gym and a people-first tech advocate at work, she balances strategy with care, making sure no task (or teammate) slips through the cracks.

Akanksha

Pops up like a meerkat at the word “product”

She has a knack for turning chaos into clean, intuitive design. With energy that fizzes and insight that cuts, she helps nonprofits cut through the noise and see what matters. A Swiftie, a design nerd, and a no-nonsense navigator, she spots the magic (and the mess) in the details most overlook.

Ajith

Code wizard by day, screenwriter by night

He brings wit and velocity to our codebase, solving the tough stuff without breaking a sweat. He’s the one who hums while debugging and drafts thrillers after hours, balancing a master’s, full-time engineering, and the occasional punchline with effortless cool.

Abhiram

Like Dexter’s brainy little cousin, but nicer

Fresh out of college and already making waves, Abhiram dives into problems headfirst. Quick to learn and quicker to help, he blends curiosity with hustle and isn’t afraid to ask the hard questions. New to the team but already essential, he’s building his path one sharp line of code (and one perfect cup of coffee) at a time.

Hazel

The gentle force behind the first step

She is often the first person nonprofits speak to and the reason they decide to begin. She listens deeply, moves calmly, and zeroes in on who needs the system most. Under her quiet demeanor is a fierce commitment to getting the right tools to the right teams, often with misty eyes and a full heart.

Varshini

Banyan-hearted, Yoda-minded

Rooted in experience and shaped by practice, Varshini connects ideas, people, and purpose with ease. She builds unlikely partnerships, navigates uncertainty with grace, and keeps the mission front and center, always steady, always curious, always game for the next “why not?”

Chandru

Dances through servers and clouds

From intern to infrastructure lead, Chandru makes tech hum behind the scenes. He keeps our systems light, fast, and battle-ready-juggling servers and cloud stacks with the ease of a seasoned performer. When he’s not working tech magic, he’s scoring goals on the field, same rhythm, different arena.

How we work with social impact organisations

This work typically happens through:

Cohort programs where nonprofit teams explore technology strategy together
Hands-on deployments of communication and operational tools
Capacity-building workshops on technology planning and budgeting
Long-term infrastructure support through IdliStack.

The goal is go beyond installing tools, to ensure organisations can use, maintain and evolve them independently.

With the Project Defy team, an in-person visit to learn how the FMS is being used, work with them on data and team onboarding and gather feedback for tool improvements.

Our Engineers Praveen & Ajith with Prakarsh, Program Manager, IMAGO

Community Around the Stack

We build by shadowing daily workflows and listening to common bottlenecks. Instead of adding to the tool sprawl, we build bridges, connecting data flows from tracking to reporting, fundraising to strategy.

How We Build

Open-source by default:

Modular, license-free and self-hostable, ensuring teams can customize tools without vendor lock-in or hidden costs. Infrastructure for public good belongs in the commons.

Field-embedded and integrative:

Pace-aware and intuitive:

The systems are designed to ease day-to-day friction: helping nonprofits track what matters, share what’s useful, and build continuity over time.

Hit us up!

If your organisation is exploring ways to strengthen its operational systems from fundraising to communications we’d love to hear from you. Whether it is to host your open-source tools and websites, or even just curiousity to know if this will work for you, reach out to partnerships@tech4goodcommunity.com.

Tool resources, price philosophy and deployments happen instantly now at www.idlistack.com.

Whether through cohort programs, community conversations, or deployments on IdliStack, our goal is the same: to make technology less intimidating, more affordable, and genuinely useful for the people doing the good work.

Reach out to partnerships@tech4goodcommunity.com to host your websites and open source applications.

Check out www.idlistack.com to start using some of the most user-friendly open source tools out there.

To build collective capacity to address the complexities of fundraising through smarter systems, sustainable practices, and sector-wide collaboration, we host virtual and in-person meetups called 'Fundshui: Turning Chaos Into Cashflow.'

A T4GC event series where nonprofits can come together to untangle their fundraising challenges, and imagine better, tech-enabled ways to solve them. In these peer-led conversations and spontaneous jams, new possibilities begin to take shape.

We’ve seen these moments spark change management strategies that help organizations navigate the real and messy internal practical shifts required to adopt new systems.

This is our approach to capacity building; not through one way training, but by creating nooks where people shape the very systems built for them. It’s how collective confidence, and lasting change, take root.

Over 100 organizations have been a part of our Fundshui community and this space continues to grow.

Sarang, Social Media and Communications Manager, Solidarity Foundation

"What resonated with me most was how, as part of the Social Impact Sector, every participant stepped up to brainstorm solutions for each other’s challenges around technology and fundraising. It was heartwarming to witness such a generous and thoughtful exchange of ideas."

Folks backing this effort