Best Business Tools for Side Hustles in 2025

by | Jul 14, 2025 | Systems & Tools

9 min read

I opened my computer last week. Desktop cluttered with shortcuts. ClickUp bookmark. MailerLite tab still open. Canva shortcut untouched. Bookmarks folder labeled “Business Tools” with seventeen links. Downloaded most of them during late-night planning sessions. Convinced each one would be the answer. Set them up with good intentions. Used them twice. Went back to Google Docs and spreadsheets. The problem wasn’t finding tools. It was having too many. I needed tools that work when I’m tired. When I have thirty minutes of spare time before bed and still need to send that email. The best business tools for side hustle are the ones you’ll open when you’re running on empty. These stayed. Everything else got deleted.

Learned this the expensive way. Bought every tool I could find. Used most of them twice. Documented the whole mess in my guide to building a business while working full time. This post is what’s left after I deleted everything else.

The Foundation: Core Business Tools Every Side Hustler Needs

Started simple. Had to. My full time job doesn’t leave room for complicated systems that need constant babysitting. Turns out I’m not the only one dealing with this. A Bankrate survey found that time management is the biggest problem for people with side hustles.These foundation tools handle the basics when I’m too tired to think straight.

Project Management Systems

Project management became non-negotiable after I missed a deadline because I forgot about it. Not because I didn’t have time. Because I wrote it on a sticky note that fell behind my desk. Now everything lives in one place. ClickUp works for me, but the platform doesn’t matter. What matters is having one system that captures tasks, deadlines, and random thoughts that hit during work meetings.

Communication Tools

Communication needed structure after I sent three different email addresses to the same client in one week. Business email, personal email, then panic-emailed from my phone. Looked completely unprofessional. Set up a Google Workspace Gmail account. Simple. One consistent way clients can reach me that doesn’t get mixed with junk email or weekend plans.

File Storage Solutions

File storage took me too long to figure out. I had business documents stored on my phone and laptop. Three different Google accounts. I couldn’t find anything when people asked for it. Google Drive with clear folder names solved this. Not because I’m suddenly organized. Because I can’t function when my files are scattered like puzzle pieces.

Took me forever to figure out file organization that doesn’t fall apart when life gets crazy. I documented the whole messy process because apparently, I’m not the only one drowning in random folders. I wrote down how I did it.

Time Tracking Apps

Time tracking felt unnecessary until I realized I had no idea where my limited hours were going. Rize runs in the background. Shows me I spend way too much time on email and not enough on the work that makes money. Eye-opening data when you only have ten hours a week of free time to give to your business.

Basic Accounting Software

Basic accounting through QuickBooks Self-Employed connects to my business bank account. Categorizes expenses automatically. Saves me from spreadsheet hell during tax season. Worth the monthly cost just for the peace of mind.

These tools create structure without drama. They work when I’m functioning on four hours of sleep and still need to look professional. Foundation first. Everything else can wait.

Contact Management Tools That Run While You Sleep

Contact management was chaos before I built systems around it. Scheduling calls through text messages. Sending invoices whenever I remembered. Following up on payments through my personal email. Made me look scattered. Because I was.

Automated Booking Platforms

GoHighLevel eliminated the back-and-forth email dance. Clients book themselves when it works for them. I set my available hours. They pick a slot. Meeting details send automatically. No more “How about Tuesday? Wednesday might be better” conversations that eat up precious evening time.

Invoice and Payment Processing

Invoicing through GoHighLevel happens on schedule now. Set up recurring invoices for regular customers. One-time invoices go out the same day work gets completed. Payment reminders send automatically. Money shows up in my business account without me having to chase anyone down. Professional. Predictable. Runs itself.

Portal Solutions

Portals seemed extra until I realized how much time they save. Clients upload files. Leave feedback. Check project status. All in one place that isn’t my inbox. Fewer emails. Clearer communication. Projects keep moving when I’m working at my day job.

CRM Systems for Solopreneurs

Onboarding new customers used to take forever. I would send three different emails with contract, payment info, and project details. Now they get one welcome email with everything. Contract signing happens through GoHighLevel. Payment gets processed through Stripe. Welcome packet downloads automatically. Professional first impression without me having to think about it.

These systems handle relationship management when I can’t. Clients know what’s happening. I don’t lie awake wondering what I missed. Everything happens in the background while I focus on delivering good work.

Digital Marketing and Content Creation Tools for Extra Income

Content creation almost broke me before I found tools that work with my scattered schedule. Trying to post daily. Coming up with fresh ideas every week. Designing graphics from scratch. Spending Saturday mornings writing captions. Not sustainable when Saturday morning is my only time to sleep in.

Social Media Scheduling Tools

Social media marketing through GoHighLevel changed everything. Write posts during Sunday planning sessions. Schedule them for the week. The platform handles posting while I’m at work. Consistency without the constant pressure.

Content Batching and Design Tools

Content batching tools let me create multiple pieces from one focused session. Canva templates mean I’m not starting from scratch every time. Same fonts. Same colors. Same style. Looks intentional. Takes half the time. Design skills not required when you have templates that work.

Email Marketing Platforms

Email marketing through GoHighLevel runs in the background. Newsletter goes out weekly. Subscribers are added automatically when they download my guide. Email marketing sequences introduce new people to my work without me having to personally email each person. Nurturing leads while I sleep. Essential for any side hustlers.

Analytics and Performance Tracking

Marketing analytics dashboards in Google Analytics show what content connects and what doesn’t. Check it Sunday mornings during planning. Takes ten minutes. Tells me which blog posts to write more of. Which social posts to recreate. Data-driven decisions without drowning in data.

These tools let me create quality content without it consuming every evening. Batch creation. Scheduled posting. Automated follow-up. Content creation that builds my side hustle instead of burning me out.

Financial Tools That Help You Earn Extra Income Without Drama

Money management stressed me out before I automated it. Receipts in my wallet. Business expenses mixed with personal spending. Tax documents in random folders. Financial chaos that kept me up at night wondering if I was doing any of this correctly.

Expense Tracking and Accounting

Expense tracking through QuickBooks Self-Employed categorizes spending automatically. Office supplies. Software subscriptions. Everything gets sorted without me having to remember whether that coffee meeting counts as a business expense. Takes the guesswork out of bookkeeping.

Tax Preparation and Organization

Tax preparation became manageable once I stopped throwing receipts in some folder in my email. Everything lives digitally. Categories get assigned automatically. Business income and expenses track themselves. Come tax time, everything’s organized. No more panic searching for documents I know I saved somewhere.

Security and Password Management

Password management through Apple’s built-in password storage keeps everything organized. Passwords stay secure. Login happens automatically. No more getting locked out of accounts. Security without the hassle.

Data Backup and Protection

Backup systems through Google Drive and external drives protect everything. Files sync automatically. Nothing gets lost when technology fails. Peace of mind that my business won’t disappear if my laptop or website crashes. Insurance for digital work.

These administrative tools run themselves. Money gets tracked. Taxes stay organized. Contracts protect everyone. Passwords stay secure. Foundation that holds while I focus on the work.

Communication and Collaboration Tools for After-Hours Building

Communication needed boundaries once my side hustle started growing. Scheduling calls around my work schedule. The whole setup looked unprofessional, like I was running everything from my kitchen table. Which I was, but people don’t need to know that.

Video Conferencing Platforms

Video conferencing through Google Meet works reliably. Professional background. Good audio quality. Screen sharing for presentations. Recording option for sessions I need to reference later.

Email Management Systems

Email management through separate accounts keeps everything organized. Project emails stay in dedicated folders. Communication doesn’t get mixed with newsletters and family updates.

Document Sharing and Collaboration

Document sharing through Google Drive maintains version control. Clients access current files. I see when they make changes. No more emailing attachments back and forth. Everyone works from the same document. 

Business Phone Systems

Phone systems through Google Voice separate business calls from personal without carrying two devices. Business number forwards to my regular phone. Voicemail transcribes automatically. Looks professional. Functions simply. Communication works within my existing setup.

These communication tools create professional boundaries without complicated systems. Clear channels for different types of communication. Professional presentation that builds trust. Organization that saves mental energy during busy weeks.

Business Automation Tools for Extra Money Builders

Automation saves my sanity when I’m building a business with spare time. Manual processes that worked when I had one person become impossible when I have five. Systems that run themselves let me focus on the important stuff.

Calendar and Time Management

Calendar blocking through Google Calendar protects business time from everything else. Business hours are blocked. Personal appointments can’t overlap. Work meetings don’t accidentally get scheduled during calls. Time boundaries that hold even when life gets chaotic.

Task Batching and Focus Systems

Task batching apps group similar work to minimize context switching. All communication happens Tuesday evenings. Content creation gets batched on Sunday afternoons. Admin tasks happen Thursday nights. Less mental switching between different types of work. More focus during precious business hours.

Rize also helps eliminate distractions during work sessions. Phone gets locked. Apps get blocked. Concentrated work time that produces better results in shorter periods. Essential when every minute of business time matters.

Workflow Automation

Workflow automation through GoHighLevel connects different tools. New contacts are automatically added to email lists. Invoice payments trigger thank you emails. Contact form submissions create tasks in project management. Systems talk to each other so I don’t have to manually update everything.

Energy and Performance Tracking

Energy tracking through simple notes helps schedule work during peak performance times. Morning person energy goes to creative work. Evening energy handles admin tasks. Working at your own pace with natural rhythms instead of against them. Better work in less time.

These tools handle the boring stuff so I don’t have to. I can focus on actual work instead of updating spreadsheets. Everything runs itself while I sleep.

Building a side hustle while working day jobs means every tool needs to prove it belongs. No room for confusing interfaces when I’m exhausted at 10 PM. No space for complex systems that require tutorials. The best business tools for success are the ones that work when I’m running on empty. I started with the tools that solved my biggest pain points for my side hustle. Added others only when the current setup broke down. Most of the shiny new platforms didn’t last a week. These did. They run things when I can’t. They save mental energy instead of consuming it. Your tool stack will look different. Start with what keeps you up at night. Build from there.

Portrait of Merissa Si-Lence, a working woman and business builder who shares systems, tools, and strategies to help other women build online income while working full time

Meet Merissa

Heyyy, I’m Merissa! I’m building a business after hours while working full time and documenting every step. This blog shares the tools, systems, and strategies I use to create online income with intention consistently.

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Merissa Si-Lence seated near light-colored rocks, wearing a white top, looking ahead with a calm expression. Outdoor author photo for MerissaSiLence.com

Merissa Si-Lence

Writes about building a business after work using systems, tools, and routines that hold up when time and energy are limited. Her content documents what it looks like to build a business while working full-time, across five focus areas: Systems and Tools, Behind the Build, Work and Business, Planning and Productivity, and Marketing and Visibility.

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